Home / 94,721.24-130,714.64-52,279.76

Finding the Fourth Proportional to 94,721.24, 130,714.64 and 52,279.76

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Solution

The fourth proportional to 94,721.24, 130,714.64 and 52,279.76 is: 72,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.24 : 130,714.64 = 52,279.76 : x
  2. Step 2: Convert to fraction form
    94,721.24/130,714.64 = 52,279.76/x
  3. Step 3: Cross multiply
    94,721.24x = 130,714.64 × 52,279.76
  4. Step 4: Simplify right side
    94,721.24x = 6,833,730,007.69
  5. Step 5: Solve for x
    x = 6,833,730,007.69/94,721.24
  6. Step 6: Final answer
    x = 72,145.70

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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.