Home / 125,681.89-173,443.95-68,324.47

Finding the Fourth Proportional to 125,681.89, 173,443.95 and 68,324.47

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Solution

The fourth proportional to 125,681.89, 173,443.95 and 68,324.47 is: 94,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,681.89 : 173,443.95 = 68,324.47 : x
  2. Step 2: Convert to fraction form
    125,681.89/173,443.95 = 68,324.47/x
  3. Step 3: Cross multiply
    125,681.89x = 173,443.95 × 68,324.47
  4. Step 4: Simplify right side
    125,681.89x = 11,850,465,958.46
  5. Step 5: Solve for x
    x = 11,850,465,958.46/125,681.89
  6. Step 6: Final answer
    x = 94,289.37

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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.