Home / 78,935.68-118,301.46-59,058.28

Finding the Fourth Proportional to 78,935.68, 118,301.46 and 59,058.28

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Solution

The fourth proportional to 78,935.68, 118,301.46 and 59,058.28 is: 88,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,935.68 : 118,301.46 = 59,058.28 : x
  2. Step 2: Convert to fraction form
    78,935.68/118,301.46 = 59,058.28/x
  3. Step 3: Cross multiply
    78,935.68x = 118,301.46 × 59,058.28
  4. Step 4: Simplify right side
    78,935.68x = 6,986,680,749.09
  5. Step 5: Solve for x
    x = 6,986,680,749.09/78,935.68
  6. Step 6: Final answer
    x = 88,511.06

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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.