Home / 88,236.48-121,767.28-47,950.80

Finding the Fourth Proportional to 88,236.48, 121,767.28 and 47,950.80

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Solution

The fourth proportional to 88,236.48, 121,767.28 and 47,950.80 is: 66,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,236.48 : 121,767.28 = 47,950.80 : x
  2. Step 2: Convert to fraction form
    88,236.48/121,767.28 = 47,950.80/x
  3. Step 3: Cross multiply
    88,236.48x = 121,767.28 × 47,950.80
  4. Step 4: Simplify right side
    88,236.48x = 5,838,838,489.82
  5. Step 5: Solve for x
    x = 5,838,838,489.82/88,236.48
  6. Step 6: Final answer
    x = 66,172.61

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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.