Home / 88,022.17-121,470.61-47,735.75

Finding the Fourth Proportional to 88,022.17, 121,470.61 and 47,735.75

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Solution

The fourth proportional to 88,022.17, 121,470.61 and 47,735.75 is: 65,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,022.17 : 121,470.61 = 47,735.75 : x
  2. Step 2: Convert to fraction form
    88,022.17/121,470.61 = 47,735.75/x
  3. Step 3: Cross multiply
    88,022.17x = 121,470.61 × 47,735.75
  4. Step 4: Simplify right side
    88,022.17x = 5,798,490,671.31
  5. Step 5: Solve for x
    x = 5,798,490,671.31/88,022.17
  6. Step 6: Final answer
    x = 65,875.34

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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.