Home / 125,041.49-172,577.27-71,343.95

Finding the Fourth Proportional to 125,041.49, 172,577.27 and 71,343.95

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Solution

The fourth proportional to 125,041.49, 172,577.27 and 71,343.95 is: 98,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,041.49 : 172,577.27 = 71,343.95 : x
  2. Step 2: Convert to fraction form
    125,041.49/172,577.27 = 71,343.95/x
  3. Step 3: Cross multiply
    125,041.49x = 172,577.27 × 71,343.95
  4. Step 4: Simplify right side
    125,041.49x = 12,312,344,731.82
  5. Step 5: Solve for x
    x = 12,312,344,731.82/125,041.49
  6. Step 6: Final answer
    x = 98,466.08

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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.