Home / 88,170.02-121,674.59-47,883.79

Finding the Fourth Proportional to 88,170.02, 121,674.59 and 47,883.79

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Solution

The fourth proportional to 88,170.02, 121,674.59 and 47,883.79 is: 66,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.02 : 121,674.59 = 47,883.79 : x
  2. Step 2: Convert to fraction form
    88,170.02/121,674.59 = 47,883.79/x
  3. Step 3: Cross multiply
    88,170.02x = 121,674.59 × 47,883.79
  4. Step 4: Simplify right side
    88,170.02x = 5,826,240,515.90
  5. Step 5: Solve for x
    x = 5,826,240,515.90/88,170.02
  6. Step 6: Final answer
    x = 66,079.61

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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.