Home / 99,464.80-148,948-59,459.20

Finding the Fourth Proportional to 99,464.80, 148,948 and 59,459.20

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Solution

The fourth proportional to 99,464.80, 148,948 and 59,459.20 is: 89,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,464.80 : 148,948 = 59,459.20 : x
  2. Step 2: Convert to fraction form
    99,464.80/148,948 = 59,459.20/x
  3. Step 3: Cross multiply
    99,464.80x = 148,948 × 59,459.20
  4. Step 4: Simplify right side
    99,464.80x = 8,856,328,921.60
  5. Step 5: Solve for x
    x = 8,856,328,921.60/99,464.80
  6. Step 6: Final answer
    x = 89,039.83

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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.