Home / 145,742.59-218,613.89-56,933.82

Finding the Fourth Proportional to 145,742.59, 218,613.89 and 56,933.82

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Solution

The fourth proportional to 145,742.59, 218,613.89 and 56,933.82 is: 85,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,742.59 : 218,613.89 = 56,933.82 : x
  2. Step 2: Convert to fraction form
    145,742.59/218,613.89 = 56,933.82/x
  3. Step 3: Cross multiply
    145,742.59x = 218,613.89 × 56,933.82
  4. Step 4: Simplify right side
    145,742.59x = 12,446,523,862.76
  5. Step 5: Solve for x
    x = 12,446,523,862.76/145,742.59
  6. Step 6: Final answer
    x = 85,400.73

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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.