Home / 102,079.08-140,823.66-59,618.88

Finding the Fourth Proportional to 102,079.08, 140,823.66 and 59,618.88

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Solution

The fourth proportional to 102,079.08, 140,823.66 and 59,618.88 is: 82,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,079.08 : 140,823.66 = 59,618.88 : x
  2. Step 2: Convert to fraction form
    102,079.08/140,823.66 = 59,618.88/x
  3. Step 3: Cross multiply
    102,079.08x = 140,823.66 × 59,618.88
  4. Step 4: Simplify right side
    102,079.08x = 8,395,748,886.70
  5. Step 5: Solve for x
    x = 8,395,748,886.70/102,079.08
  6. Step 6: Final answer
    x = 82,247.50

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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.