Home / 108,289.31-149,434.98-59,888.03

Finding the Fourth Proportional to 108,289.31, 149,434.98 and 59,888.03

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Solution

The fourth proportional to 108,289.31, 149,434.98 and 59,888.03 is: 82,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,289.31 : 149,434.98 = 59,888.03 : x
  2. Step 2: Convert to fraction form
    108,289.31/149,434.98 = 59,888.03/x
  3. Step 3: Cross multiply
    108,289.31x = 149,434.98 × 59,888.03
  4. Step 4: Simplify right side
    108,289.31x = 8,949,366,854.39
  5. Step 5: Solve for x
    x = 8,949,366,854.39/108,289.31
  6. Step 6: Final answer
    x = 82,643.13

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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.