Home / 45,134.76-67,702.14-15,561.06

Finding the Fourth Proportional to 45,134.76, 67,702.14 and 15,561.06

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Solution

The fourth proportional to 45,134.76, 67,702.14 and 15,561.06 is: 23,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,134.76 : 67,702.14 = 15,561.06 : x
  2. Step 2: Convert to fraction form
    45,134.76/67,702.14 = 15,561.06/x
  3. Step 3: Cross multiply
    45,134.76x = 67,702.14 × 15,561.06
  4. Step 4: Simplify right side
    45,134.76x = 1,053,517,062.67
  5. Step 5: Solve for x
    x = 1,053,517,062.67/45,134.76
  6. Step 6: Final answer
    x = 23,341.59

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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.