Home / 99,502.25-149,254.47-42,568.40

Finding the Fourth Proportional to 99,502.25, 149,254.47 and 42,568.40

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Solution

The fourth proportional to 99,502.25, 149,254.47 and 42,568.40 is: 63,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,502.25 : 149,254.47 = 42,568.40 : x
  2. Step 2: Convert to fraction form
    99,502.25/149,254.47 = 42,568.40/x
  3. Step 3: Cross multiply
    99,502.25x = 149,254.47 × 42,568.40
  4. Step 4: Simplify right side
    99,502.25x = 6,353,523,234.48
  5. Step 5: Solve for x
    x = 6,353,523,234.48/99,502.25
  6. Step 6: Final answer
    x = 63,853.06

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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.