Home / 99,018.60-148,643.10-59,620.20

Finding the Fourth Proportional to 99,018.60, 148,643.10 and 59,620.20

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Solution

The fourth proportional to 99,018.60, 148,643.10 and 59,620.20 is: 89,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,018.60 : 148,643.10 = 59,620.20 : x
  2. Step 2: Convert to fraction form
    99,018.60/148,643.10 = 59,620.20/x
  3. Step 3: Cross multiply
    99,018.60x = 148,643.10 × 59,620.20
  4. Step 4: Simplify right side
    99,018.60x = 8,862,131,350.62
  5. Step 5: Solve for x
    x = 8,862,131,350.62/99,018.60
  6. Step 6: Final answer
    x = 89,499.66

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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.