Home / 125,026-187,475.20-40,731.96

Finding the Fourth Proportional to 125,026, 187,475.20 and 40,731.96

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Solution

The fourth proportional to 125,026, 187,475.20 and 40,731.96 is: 61,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,026 : 187,475.20 = 40,731.96 : x
  2. Step 2: Convert to fraction form
    125,026/187,475.20 = 40,731.96/x
  3. Step 3: Cross multiply
    125,026x = 187,475.20 × 40,731.96
  4. Step 4: Simplify right side
    125,026x = 7,636,232,347.39
  5. Step 5: Solve for x
    x = 7,636,232,347.39/125,026
  6. Step 6: Final answer
    x = 61,077.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.