Home / 127,931.73-176,545.97-70,569.77

Finding the Fourth Proportional to 127,931.73, 176,545.97 and 70,569.77

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Solution

The fourth proportional to 127,931.73, 176,545.97 and 70,569.77 is: 97,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,931.73 : 176,545.97 = 70,569.77 : x
  2. Step 2: Convert to fraction form
    127,931.73/176,545.97 = 70,569.77/x
  3. Step 3: Cross multiply
    127,931.73x = 176,545.97 × 70,569.77
  4. Step 4: Simplify right side
    127,931.73x = 12,458,807,261.75
  5. Step 5: Solve for x
    x = 12,458,807,261.75/127,931.73
  6. Step 6: Final answer
    x = 97,386.37

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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.