Home / 72,042.18-99,299.24-48,160.14

Finding the Fourth Proportional to 72,042.18, 99,299.24 and 48,160.14

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Solution

The fourth proportional to 72,042.18, 99,299.24 and 48,160.14 is: 66,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,042.18 : 99,299.24 = 48,160.14 : x
  2. Step 2: Convert to fraction form
    72,042.18/99,299.24 = 48,160.14/x
  3. Step 3: Cross multiply
    72,042.18x = 99,299.24 × 48,160.14
  4. Step 4: Simplify right side
    72,042.18x = 4,782,265,300.29
  5. Step 5: Solve for x
    x = 4,782,265,300.29/72,042.18
  6. Step 6: Final answer
    x = 66,381.46

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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.