Home / 52,403.40-78,605.10-39,097.80

Finding the Fourth Proportional to 52,403.40, 78,605.10 and 39,097.80

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Solution

The fourth proportional to 52,403.40, 78,605.10 and 39,097.80 is: 58,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.40 : 78,605.10 = 39,097.80 : x
  2. Step 2: Convert to fraction form
    52,403.40/78,605.10 = 39,097.80/x
  3. Step 3: Cross multiply
    52,403.40x = 78,605.10 × 39,097.80
  4. Step 4: Simplify right side
    52,403.40x = 3,073,286,478.78
  5. Step 5: Solve for x
    x = 3,073,286,478.78/52,403.40
  6. Step 6: Final answer
    x = 58,646.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.