Home / 72,535.76-100,100.04-42,339.92

Finding the Fourth Proportional to 72,535.76, 100,100.04 and 42,339.92

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Solution

The fourth proportional to 72,535.76, 100,100.04 and 42,339.92 is: 58,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535.76 : 100,100.04 = 42,339.92 : x
  2. Step 2: Convert to fraction form
    72,535.76/100,100.04 = 42,339.92/x
  3. Step 3: Cross multiply
    72,535.76x = 100,100.04 × 42,339.92
  4. Step 4: Simplify right side
    72,535.76x = 4,238,227,685.60
  5. Step 5: Solve for x
    x = 4,238,227,685.60/72,535.76
  6. Step 6: Final answer
    x = 58,429.49

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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.