Home / 125,565.24-173,290.74-71,127.12

Finding the Fourth Proportional to 125,565.24, 173,290.74 and 71,127.12

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Solution

The fourth proportional to 125,565.24, 173,290.74 and 71,127.12 is: 98,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,565.24 : 173,290.74 = 71,127.12 : x
  2. Step 2: Convert to fraction form
    125,565.24/173,290.74 = 71,127.12/x
  3. Step 3: Cross multiply
    125,565.24x = 173,290.74 × 71,127.12
  4. Step 4: Simplify right side
    125,565.24x = 12,325,671,258.87
  5. Step 5: Solve for x
    x = 12,325,671,258.87/125,565.24
  6. Step 6: Final answer
    x = 98,161.49

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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.