Home / 125,403.12-173,053.98-70,954.71

Finding the Fourth Proportional to 125,403.12, 173,053.98 and 70,954.71

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Solution

The fourth proportional to 125,403.12, 173,053.98 and 70,954.71 is: 97,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,403.12 : 173,053.98 = 70,954.71 : x
  2. Step 2: Convert to fraction form
    125,403.12/173,053.98 = 70,954.71/x
  3. Step 3: Cross multiply
    125,403.12x = 173,053.98 × 70,954.71
  4. Step 4: Simplify right side
    125,403.12x = 12,278,994,965.25
  5. Step 5: Solve for x
    x = 12,278,994,965.25/125,403.12
  6. Step 6: Final answer
    x = 97,916.18

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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.