Home / 97,099.83-145,657.65-26,979.15

Finding the Fourth Proportional to 97,099.83, 145,657.65 and 26,979.15

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Solution

The fourth proportional to 97,099.83, 145,657.65 and 26,979.15 is: 40,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,099.83 : 145,657.65 = 26,979.15 : x
  2. Step 2: Convert to fraction form
    97,099.83/145,657.65 = 26,979.15/x
  3. Step 3: Cross multiply
    97,099.83x = 145,657.65 × 26,979.15
  4. Step 4: Simplify right side
    97,099.83x = 3,929,719,588.00
  5. Step 5: Solve for x
    x = 3,929,719,588.00/97,099.83
  6. Step 6: Final answer
    x = 40,470.92

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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.