Home / 88,077.87-121,539.44-52,261.71

Finding the Fourth Proportional to 88,077.87, 121,539.44 and 52,261.71

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Solution

The fourth proportional to 88,077.87, 121,539.44 and 52,261.71 is: 72,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.87 : 121,539.44 = 52,261.71 : x
  2. Step 2: Convert to fraction form
    88,077.87/121,539.44 = 52,261.71/x
  3. Step 3: Cross multiply
    88,077.87x = 121,539.44 × 52,261.71
  4. Step 4: Simplify right side
    88,077.87x = 6,351,858,705.53
  5. Step 5: Solve for x
    x = 6,351,858,705.53/88,077.87
  6. Step 6: Final answer
    x = 72,116.40

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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.