Home / 95,085.41-142,631.42-45,139.77

Finding the Fourth Proportional to 95,085.41, 142,631.42 and 45,139.77

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Solution

The fourth proportional to 95,085.41, 142,631.42 and 45,139.77 is: 67,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,085.41 : 142,631.42 = 45,139.77 : x
  2. Step 2: Convert to fraction form
    95,085.41/142,631.42 = 45,139.77/x
  3. Step 3: Cross multiply
    95,085.41x = 142,631.42 × 45,139.77
  4. Step 4: Simplify right side
    95,085.41x = 6,438,349,267.87
  5. Step 5: Solve for x
    x = 6,438,349,267.87/95,085.41
  6. Step 6: Final answer
    x = 67,711.23

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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.