Home / 76,150.13-105,087.17-42,616.13

Finding the Fourth Proportional to 76,150.13, 105,087.17 and 42,616.13

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Solution

The fourth proportional to 76,150.13, 105,087.17 and 42,616.13 is: 58,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,150.13 : 105,087.17 = 42,616.13 : x
  2. Step 2: Convert to fraction form
    76,150.13/105,087.17 = 42,616.13/x
  3. Step 3: Cross multiply
    76,150.13x = 105,087.17 × 42,616.13
  4. Step 4: Simplify right side
    76,150.13x = 4,478,408,079.16
  5. Step 5: Solve for x
    x = 4,478,408,079.16/76,150.13
  6. Step 6: Final answer
    x = 58,810.25

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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.