Home / 89,921.51-124,095.81-51,693.43

Finding the Fourth Proportional to 89,921.51, 124,095.81 and 51,693.43

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Solution

The fourth proportional to 89,921.51, 124,095.81 and 51,693.43 is: 71,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.51 : 124,095.81 = 51,693.43 : x
  2. Step 2: Convert to fraction form
    89,921.51/124,095.81 = 51,693.43/x
  3. Step 3: Cross multiply
    89,921.51x = 124,095.81 × 51,693.43
  4. Step 4: Simplify right side
    89,921.51x = 6,414,937,757.29
  5. Step 5: Solve for x
    x = 6,414,937,757.29/89,921.51
  6. Step 6: Final answer
    x = 71,339.30

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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.