Home / 42,125.52-58,129.20-25,134.96

Finding the Fourth Proportional to 42,125.52, 58,129.20 and 25,134.96

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Solution

The fourth proportional to 42,125.52, 58,129.20 and 25,134.96 is: 34,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.52 : 58,129.20 = 25,134.96 : x
  2. Step 2: Convert to fraction form
    42,125.52/58,129.20 = 25,134.96/x
  3. Step 3: Cross multiply
    42,125.52x = 58,129.20 × 25,134.96
  4. Step 4: Simplify right side
    42,125.52x = 1,461,075,116.83
  5. Step 5: Solve for x
    x = 1,461,075,116.83/42,125.52
  6. Step 6: Final answer
    x = 34,683.85

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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.