Home / 90,577.18-135,827.76-34,386.31

Finding the Fourth Proportional to 90,577.18, 135,827.76 and 34,386.31

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Solution

The fourth proportional to 90,577.18, 135,827.76 and 34,386.31 is: 51,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577.18 : 135,827.76 = 34,386.31 : x
  2. Step 2: Convert to fraction form
    90,577.18/135,827.76 = 34,386.31/x
  3. Step 3: Cross multiply
    90,577.18x = 135,827.76 × 34,386.31
  4. Step 4: Simplify right side
    90,577.18x = 4,670,615,461.97
  5. Step 5: Solve for x
    x = 4,670,615,461.97/90,577.18
  6. Step 6: Final answer
    x = 51,565.04

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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.