Home / 91,756.22-126,502.40-59,869.76

Finding the Fourth Proportional to 91,756.22, 126,502.40 and 59,869.76

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Solution

The fourth proportional to 91,756.22, 126,502.40 and 59,869.76 is: 82,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756.22 : 126,502.40 = 59,869.76 : x
  2. Step 2: Convert to fraction form
    91,756.22/126,502.40 = 59,869.76/x
  3. Step 3: Cross multiply
    91,756.22x = 126,502.40 × 59,869.76
  4. Step 4: Simplify right side
    91,756.22x = 7,573,668,327.42
  5. Step 5: Solve for x
    x = 7,573,668,327.42/91,756.22
  6. Step 6: Final answer
    x = 82,541.20

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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.