Home / 66,130.38-99,089.64-59,416.20

Finding the Fourth Proportional to 66,130.38, 99,089.64 and 59,416.20

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Solution

The fourth proportional to 66,130.38, 99,089.64 and 59,416.20 is: 89,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,130.38 : 99,089.64 = 59,416.20 : x
  2. Step 2: Convert to fraction form
    66,130.38/99,089.64 = 59,416.20/x
  3. Step 3: Cross multiply
    66,130.38x = 99,089.64 × 59,416.20
  4. Step 4: Simplify right side
    66,130.38x = 5,887,529,868.17
  5. Step 5: Solve for x
    x = 5,887,529,868.17/66,130.38
  6. Step 6: Final answer
    x = 89,029.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.