Home / 103,365.44-142,645.28-58,649.92

Finding the Fourth Proportional to 103,365.44, 142,645.28 and 58,649.92

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Solution

The fourth proportional to 103,365.44, 142,645.28 and 58,649.92 is: 80,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,365.44 : 142,645.28 = 58,649.92 : x
  2. Step 2: Convert to fraction form
    103,365.44/142,645.28 = 58,649.92/x
  3. Step 3: Cross multiply
    103,365.44x = 142,645.28 × 58,649.92
  4. Step 4: Simplify right side
    103,365.44x = 8,366,134,260.38
  5. Step 5: Solve for x
    x = 8,366,134,260.38/103,365.44
  6. Step 6: Final answer
    x = 80,937.44

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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.