Home / 72,406.02-99,920.16-44,111.70

Finding the Fourth Proportional to 72,406.02, 99,920.16 and 44,111.70

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Solution

The fourth proportional to 72,406.02, 99,920.16 and 44,111.70 is: 60,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,406.02 : 99,920.16 = 44,111.70 : x
  2. Step 2: Convert to fraction form
    72,406.02/99,920.16 = 44,111.70/x
  3. Step 3: Cross multiply
    72,406.02x = 99,920.16 × 44,111.70
  4. Step 4: Simplify right side
    72,406.02x = 4,407,648,121.87
  5. Step 5: Solve for x
    x = 4,407,648,121.87/72,406.02
  6. Step 6: Final answer
    x = 60,874.06

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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.