Home / 76,087.24-105,000.10-42,553.16

Finding the Fourth Proportional to 76,087.24, 105,000.10 and 42,553.16

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Solution

The fourth proportional to 76,087.24, 105,000.10 and 42,553.16 is: 58,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,087.24 : 105,000.10 = 42,553.16 : x
  2. Step 2: Convert to fraction form
    76,087.24/105,000.10 = 42,553.16/x
  3. Step 3: Cross multiply
    76,087.24x = 105,000.10 × 42,553.16
  4. Step 4: Simplify right side
    76,087.24x = 4,468,086,055.32
  5. Step 5: Solve for x
    x = 4,468,086,055.32/76,087.24
  6. Step 6: Final answer
    x = 58,723.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.