Home / 87,675.44-120,999.48-53,683.76

Finding the Fourth Proportional to 87,675.44, 120,999.48 and 53,683.76

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Solution

The fourth proportional to 87,675.44, 120,999.48 and 53,683.76 is: 74,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,675.44 : 120,999.48 = 53,683.76 : x
  2. Step 2: Convert to fraction form
    87,675.44/120,999.48 = 53,683.76/x
  3. Step 3: Cross multiply
    87,675.44x = 120,999.48 × 53,683.76
  4. Step 4: Simplify right side
    87,675.44x = 6,495,707,044.44
  5. Step 5: Solve for x
    x = 6,495,707,044.44/87,675.44
  6. Step 6: Final answer
    x = 74,088.10

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1.5x scale

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.