Home / 87,673.44-120,996.72-53,681.76

Finding the Fourth Proportional to 87,673.44, 120,996.72 and 53,681.76

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Solution

The fourth proportional to 87,673.44, 120,996.72 and 53,681.76 is: 74,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,673.44 : 120,996.72 = 53,681.76 : x
  2. Step 2: Convert to fraction form
    87,673.44/120,996.72 = 53,681.76/x
  3. Step 3: Cross multiply
    87,673.44x = 120,996.72 × 53,681.76
  4. Step 4: Simplify right side
    87,673.44x = 6,495,316,883.83
  5. Step 5: Solve for x
    x = 6,495,316,883.83/87,673.44
  6. Step 6: Final answer
    x = 74,085.34

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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.