Home / 56,320.20-84,480.30-55,931.40

Finding the Fourth Proportional to 56,320.20, 84,480.30 and 55,931.40

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Solution

The fourth proportional to 56,320.20, 84,480.30 and 55,931.40 is: 83,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320.20 : 84,480.30 = 55,931.40 : x
  2. Step 2: Convert to fraction form
    56,320.20/84,480.30 = 55,931.40/x
  3. Step 3: Cross multiply
    56,320.20x = 84,480.30 × 55,931.40
  4. Step 4: Simplify right side
    56,320.20x = 4,725,101,451.42
  5. Step 5: Solve for x
    x = 4,725,101,451.42/56,320.20
  6. Step 6: Final answer
    x = 83,897.10

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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.