Home / 72,864.29-100,552.95-42,243.35

Finding the Fourth Proportional to 72,864.29, 100,552.95 and 42,243.35

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Solution

The fourth proportional to 72,864.29, 100,552.95 and 42,243.35 is: 58,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,864.29 : 100,552.95 = 42,243.35 : x
  2. Step 2: Convert to fraction form
    72,864.29/100,552.95 = 42,243.35/x
  3. Step 3: Cross multiply
    72,864.29x = 100,552.95 × 42,243.35
  4. Step 4: Simplify right side
    72,864.29x = 4,247,693,249.17
  5. Step 5: Solve for x
    x = 4,247,693,249.17/72,864.29
  6. Step 6: Final answer
    x = 58,295.96

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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.