Home / 99,663.50-149,557.51-40,499.15

Finding the Fourth Proportional to 99,663.50, 149,557.51 and 40,499.15

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Solution

The fourth proportional to 99,663.50, 149,557.51 and 40,499.15 is: 60,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663.50 : 149,557.51 = 40,499.15 : x
  2. Step 2: Convert to fraction form
    99,663.50/149,557.51 = 40,499.15/x
  3. Step 3: Cross multiply
    99,663.50x = 149,557.51 × 40,499.15
  4. Step 4: Simplify right side
    99,663.50x = 6,056,952,031.12
  5. Step 5: Solve for x
    x = 6,056,952,031.12/99,663.50
  6. Step 6: Final answer
    x = 60,774.02

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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.