Home / 88,039.40-121,454.01-52,216.34

Finding the Fourth Proportional to 88,039.40, 121,454.01 and 52,216.34

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Solution

The fourth proportional to 88,039.40, 121,454.01 and 52,216.34 is: 72,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.40 : 121,454.01 = 52,216.34 : x
  2. Step 2: Convert to fraction form
    88,039.40/121,454.01 = 52,216.34/x
  3. Step 3: Cross multiply
    88,039.40x = 121,454.01 × 52,216.34
  4. Step 4: Simplify right side
    88,039.40x = 6,341,883,273.25
  5. Step 5: Solve for x
    x = 6,341,883,273.25/88,039.40
  6. Step 6: Final answer
    x = 72,034.61

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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.