Home / 82,886.04-124,337.88-30,306.96

Finding the Fourth Proportional to 82,886.04, 124,337.88 and 30,306.96

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Solution

The fourth proportional to 82,886.04, 124,337.88 and 30,306.96 is: 45,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,886.04 : 124,337.88 = 30,306.96 : x
  2. Step 2: Convert to fraction form
    82,886.04/124,337.88 = 30,306.96/x
  3. Step 3: Cross multiply
    82,886.04x = 124,337.88 × 30,306.96
  4. Step 4: Simplify right side
    82,886.04x = 3,768,303,155.64
  5. Step 5: Solve for x
    x = 3,768,303,155.64/82,886.04
  6. Step 6: Final answer
    x = 45,463.66

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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.