Home / 102,044.16-140,810.28-56,714.88

Finding the Fourth Proportional to 102,044.16, 140,810.28 and 56,714.88

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Solution

The fourth proportional to 102,044.16, 140,810.28 and 56,714.88 is: 78,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,044.16 : 140,810.28 = 56,714.88 : x
  2. Step 2: Convert to fraction form
    102,044.16/140,810.28 = 56,714.88/x
  3. Step 3: Cross multiply
    102,044.16x = 140,810.28 × 56,714.88
  4. Step 4: Simplify right side
    102,044.16x = 7,986,038,132.97
  5. Step 5: Solve for x
    x = 7,986,038,132.97/102,044.16
  6. Step 6: Final answer
    x = 78,260.61

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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.