Home / 125,482.80-173,090.18-74,461.92

Finding the Fourth Proportional to 125,482.80, 173,090.18 and 74,461.92

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Solution

The fourth proportional to 125,482.80, 173,090.18 and 74,461.92 is: 102,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,482.80 : 173,090.18 = 74,461.92 : x
  2. Step 2: Convert to fraction form
    125,482.80/173,090.18 = 74,461.92/x
  3. Step 3: Cross multiply
    125,482.80x = 173,090.18 × 74,461.92
  4. Step 4: Simplify right side
    125,482.80x = 12,888,627,135.95
  5. Step 5: Solve for x
    x = 12,888,627,135.95/125,482.80
  6. Step 6: Final answer
    x = 102,712.30

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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.