Home / 88,142.77-121,618.02-52,344.82

Finding the Fourth Proportional to 88,142.77, 121,618.02 and 52,344.82

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Solution

The fourth proportional to 88,142.77, 121,618.02 and 52,344.82 is: 72,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142.77 : 121,618.02 = 52,344.82 : x
  2. Step 2: Convert to fraction form
    88,142.77/121,618.02 = 52,344.82/x
  3. Step 3: Cross multiply
    88,142.77x = 121,618.02 × 52,344.82
  4. Step 4: Simplify right side
    88,142.77x = 6,366,073,365.66
  5. Step 5: Solve for x
    x = 6,366,073,365.66/88,142.77
  6. Step 6: Final answer
    x = 72,224.57

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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.