Home / 88,275.25-121,821.06-50,549.50

Finding the Fourth Proportional to 88,275.25, 121,821.06 and 50,549.50

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Solution

The fourth proportional to 88,275.25, 121,821.06 and 50,549.50 is: 69,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,275.25 : 121,821.06 = 50,549.50 : x
  2. Step 2: Convert to fraction form
    88,275.25/121,821.06 = 50,549.50/x
  3. Step 3: Cross multiply
    88,275.25x = 121,821.06 × 50,549.50
  4. Step 4: Simplify right side
    88,275.25x = 6,157,993,672.47
  5. Step 5: Solve for x
    x = 6,157,993,672.47/88,275.25
  6. Step 6: Final answer
    x = 69,759.01

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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.