Home / 125,607.12-173,347.47-71,908.98

Finding the Fourth Proportional to 125,607.12, 173,347.47 and 71,908.98

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Solution

The fourth proportional to 125,607.12, 173,347.47 and 71,908.98 is: 99,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,607.12 : 173,347.47 = 71,908.98 : x
  2. Step 2: Convert to fraction form
    125,607.12/173,347.47 = 71,908.98/x
  3. Step 3: Cross multiply
    125,607.12x = 173,347.47 × 71,908.98
  4. Step 4: Simplify right side
    125,607.12x = 12,465,239,753.28
  5. Step 5: Solve for x
    x = 12,465,239,753.28/125,607.12
  6. Step 6: Final answer
    x = 99,239.91

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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.