Home / 88,127.66-121,616.33-47,841.46

Finding the Fourth Proportional to 88,127.66, 121,616.33 and 47,841.46

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Solution

The fourth proportional to 88,127.66, 121,616.33 and 47,841.46 is: 66,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,127.66 : 121,616.33 = 47,841.46 : x
  2. Step 2: Convert to fraction form
    88,127.66/121,616.33 = 47,841.46/x
  3. Step 3: Cross multiply
    88,127.66x = 121,616.33 × 47,841.46
  4. Step 4: Simplify right side
    88,127.66x = 5,818,301,939.75
  5. Step 5: Solve for x
    x = 5,818,301,939.75/88,127.66
  6. Step 6: Final answer
    x = 66,021.29

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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.