Home / 72,029.28-99,372.66-45,124.92

Finding the Fourth Proportional to 72,029.28, 99,372.66 and 45,124.92

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Solution

The fourth proportional to 72,029.28, 99,372.66 and 45,124.92 is: 62,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,029.28 : 99,372.66 = 45,124.92 : x
  2. Step 2: Convert to fraction form
    72,029.28/99,372.66 = 45,124.92/x
  3. Step 3: Cross multiply
    72,029.28x = 99,372.66 × 45,124.92
  4. Step 4: Simplify right side
    72,029.28x = 4,484,183,332.69
  5. Step 5: Solve for x
    x = 4,484,183,332.69/72,029.28
  6. Step 6: Final answer
    x = 62,255.01

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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.