Home / 125,761.47-173,547.36-69,172.89

Finding the Fourth Proportional to 125,761.47, 173,547.36 and 69,172.89

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Solution

The fourth proportional to 125,761.47, 173,547.36 and 69,172.89 is: 95,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,761.47 : 173,547.36 = 69,172.89 : x
  2. Step 2: Convert to fraction form
    125,761.47/173,547.36 = 69,172.89/x
  3. Step 3: Cross multiply
    125,761.47x = 173,547.36 × 69,172.89
  4. Step 4: Simplify right side
    125,761.47x = 12,004,772,443.07
  5. Step 5: Solve for x
    x = 12,004,772,443.07/125,761.47
  6. Step 6: Final answer
    x = 95,456.68

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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.