Home / 63,320.64-87,350.40-58,818.12

Finding the Fourth Proportional to 63,320.64, 87,350.40 and 58,818.12

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Solution

The fourth proportional to 63,320.64, 87,350.40 and 58,818.12 is: 81,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,320.64 : 87,350.40 = 58,818.12 : x
  2. Step 2: Convert to fraction form
    63,320.64/87,350.40 = 58,818.12/x
  3. Step 3: Cross multiply
    63,320.64x = 87,350.40 × 58,818.12
  4. Step 4: Simplify right side
    63,320.64x = 5,137,786,309.25
  5. Step 5: Solve for x
    x = 5,137,786,309.25/63,320.64
  6. Step 6: Final answer
    x = 81,139.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.