Home / 66,157.38-99,130.14-59,443.20

Finding the Fourth Proportional to 66,157.38, 99,130.14 and 59,443.20

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Solution

The fourth proportional to 66,157.38, 99,130.14 and 59,443.20 is: 89,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.38 : 99,130.14 = 59,443.20 : x
  2. Step 2: Convert to fraction form
    66,157.38/99,130.14 = 59,443.20/x
  3. Step 3: Cross multiply
    66,157.38x = 99,130.14 × 59,443.20
  4. Step 4: Simplify right side
    66,157.38x = 5,892,612,738.05
  5. Step 5: Solve for x
    x = 5,892,612,738.05/66,157.38
  6. Step 6: Final answer
    x = 89,069.62

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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.