Home / 125,062.84-187,613.88-40,803.58

Finding the Fourth Proportional to 125,062.84, 187,613.88 and 40,803.58

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Solution

The fourth proportional to 125,062.84, 187,613.88 and 40,803.58 is: 61,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,062.84 : 187,613.88 = 40,803.58 : x
  2. Step 2: Convert to fraction form
    125,062.84/187,613.88 = 40,803.58/x
  3. Step 3: Cross multiply
    125,062.84x = 187,613.88 × 40,803.58
  4. Step 4: Simplify right side
    125,062.84x = 7,655,317,961.69
  5. Step 5: Solve for x
    x = 7,655,317,961.69/125,062.84
  6. Step 6: Final answer
    x = 61,211.77

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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.