Home / 47,139.86-70,717.07-29,356.91

Finding the Fourth Proportional to 47,139.86, 70,717.07 and 29,356.91

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Solution

The fourth proportional to 47,139.86, 70,717.07 and 29,356.91 is: 44,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.86 : 70,717.07 = 29,356.91 : x
  2. Step 2: Convert to fraction form
    47,139.86/70,717.07 = 29,356.91/x
  3. Step 3: Cross multiply
    47,139.86x = 70,717.07 × 29,356.91
  4. Step 4: Simplify right side
    47,139.86x = 2,076,034,909.64
  5. Step 5: Solve for x
    x = 2,076,034,909.64/47,139.86
  6. Step 6: Final answer
    x = 44,039.91

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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.