Home / 88,283.11-121,833.10-47,999.59

Finding the Fourth Proportional to 88,283.11, 121,833.10 and 47,999.59

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Solution

The fourth proportional to 88,283.11, 121,833.10 and 47,999.59 is: 66,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,283.11 : 121,833.10 = 47,999.59 : x
  2. Step 2: Convert to fraction form
    88,283.11/121,833.10 = 47,999.59/x
  3. Step 3: Cross multiply
    88,283.11x = 121,833.10 × 47,999.59
  4. Step 4: Simplify right side
    88,283.11x = 5,847,938,848.43
  5. Step 5: Solve for x
    x = 5,847,938,848.43/88,283.11
  6. Step 6: Final answer
    x = 66,240.74

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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.