Home / 87,673.59-120,988.76-53,741.07

Finding the Fourth Proportional to 87,673.59, 120,988.76 and 53,741.07

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Solution

The fourth proportional to 87,673.59, 120,988.76 and 53,741.07 is: 74,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,673.59 : 120,988.76 = 53,741.07 : x
  2. Step 2: Convert to fraction form
    87,673.59/120,988.76 = 53,741.07/x
  3. Step 3: Cross multiply
    87,673.59x = 120,988.76 × 53,741.07
  4. Step 4: Simplify right side
    87,673.59x = 6,502,065,151.67
  5. Step 5: Solve for x
    x = 6,502,065,151.67/87,673.59
  6. Step 6: Final answer
    x = 74,162.19

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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.