Home / 88,283.18-121,833.18-47,999.66

Finding the Fourth Proportional to 88,283.18, 121,833.18 and 47,999.66

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Solution

The fourth proportional to 88,283.18, 121,833.18 and 47,999.66 is: 66,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,283.18 : 121,833.18 = 47,999.66 : x
  2. Step 2: Convert to fraction form
    88,283.18/121,833.18 = 47,999.66/x
  3. Step 3: Cross multiply
    88,283.18x = 121,833.18 × 47,999.66
  4. Step 4: Simplify right side
    88,283.18x = 5,847,950,607.55
  5. Step 5: Solve for x
    x = 5,847,950,607.55/88,283.18
  6. Step 6: Final answer
    x = 66,240.82

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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.