Home / 90,268-124,541.04-58,461.28

Finding the Fourth Proportional to 90,268, 124,541.04 and 58,461.28

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Solution

The fourth proportional to 90,268, 124,541.04 and 58,461.28 is: 80,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,268 : 124,541.04 = 58,461.28 : x
  2. Step 2: Convert to fraction form
    90,268/124,541.04 = 58,461.28/x
  3. Step 3: Cross multiply
    90,268x = 124,541.04 × 58,461.28
  4. Step 4: Simplify right side
    90,268x = 7,280,828,610.93
  5. Step 5: Solve for x
    x = 7,280,828,610.93/90,268
  6. Step 6: Final answer
    x = 80,657.91

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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.