Home / 99,737.24-149,568.54-42,803.96

Finding the Fourth Proportional to 99,737.24, 149,568.54 and 42,803.96

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Solution

The fourth proportional to 99,737.24, 149,568.54 and 42,803.96 is: 64,189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737.24 : 149,568.54 = 42,803.96 : x
  2. Step 2: Convert to fraction form
    99,737.24/149,568.54 = 42,803.96/x
  3. Step 3: Cross multiply
    99,737.24x = 149,568.54 × 42,803.96
  4. Step 4: Simplify right side
    99,737.24x = 6,402,125,803.42
  5. Step 5: Solve for x
    x = 6,402,125,803.42/99,737.24
  6. Step 6: Final answer
    x = 64,189.92

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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.