Home / 72,124.02-99,535.50-40,295.16

Finding the Fourth Proportional to 72,124.02, 99,535.50 and 40,295.16

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Solution

The fourth proportional to 72,124.02, 99,535.50 and 40,295.16 is: 55,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,124.02 : 99,535.50 = 40,295.16 : x
  2. Step 2: Convert to fraction form
    72,124.02/99,535.50 = 40,295.16/x
  3. Step 3: Cross multiply
    72,124.02x = 99,535.50 × 40,295.16
  4. Step 4: Simplify right side
    72,124.02x = 4,010,798,898.18
  5. Step 5: Solve for x
    x = 4,010,798,898.18/72,124.02
  6. Step 6: Final answer
    x = 55,609.75

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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.