Home / 52,394.60-78,605.66-19,117.80

Finding the Fourth Proportional to 52,394.60, 78,605.66 and 19,117.80

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Solution

The fourth proportional to 52,394.60, 78,605.66 and 19,117.80 is: 28,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,394.60 : 78,605.66 = 19,117.80 : x
  2. Step 2: Convert to fraction form
    52,394.60/78,605.66 = 19,117.80/x
  3. Step 3: Cross multiply
    52,394.60x = 78,605.66 × 19,117.80
  4. Step 4: Simplify right side
    52,394.60x = 1,502,767,286.75
  5. Step 5: Solve for x
    x = 1,502,767,286.75/52,394.60
  6. Step 6: Final answer
    x = 28,681.72

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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.