Home / 57,701.40-86,552.10-47,203.80

Finding the Fourth Proportional to 57,701.40, 86,552.10 and 47,203.80

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Solution

The fourth proportional to 57,701.40, 86,552.10 and 47,203.80 is: 70,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.40 : 86,552.10 = 47,203.80 : x
  2. Step 2: Convert to fraction form
    57,701.40/86,552.10 = 47,203.80/x
  3. Step 3: Cross multiply
    57,701.40x = 86,552.10 × 47,203.80
  4. Step 4: Simplify right side
    57,701.40x = 4,085,588,017.98
  5. Step 5: Solve for x
    x = 4,085,588,017.98/57,701.40
  6. Step 6: Final answer
    x = 70,805.70

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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.