Home / 88,214.52-121,755.29-54,252.23

Finding the Fourth Proportional to 88,214.52, 121,755.29 and 54,252.23

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Solution

The fourth proportional to 88,214.52, 121,755.29 and 54,252.23 is: 74,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214.52 : 121,755.29 = 54,252.23 : x
  2. Step 2: Convert to fraction form
    88,214.52/121,755.29 = 54,252.23/x
  3. Step 3: Cross multiply
    88,214.52x = 121,755.29 × 54,252.23
  4. Step 4: Simplify right side
    88,214.52x = 6,605,495,116.76
  5. Step 5: Solve for x
    x = 6,605,495,116.76/88,214.52
  6. Step 6: Final answer
    x = 74,879.91

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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.