Home / 108,970.10-163,455.15-38,851.70

Finding the Fourth Proportional to 108,970.10, 163,455.15 and 38,851.70

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Solution

The fourth proportional to 108,970.10, 163,455.15 and 38,851.70 is: 58,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,970.10 : 163,455.15 = 38,851.70 : x
  2. Step 2: Convert to fraction form
    108,970.10/163,455.15 = 38,851.70/x
  3. Step 3: Cross multiply
    108,970.10x = 163,455.15 × 38,851.70
  4. Step 4: Simplify right side
    108,970.10x = 6,350,510,451.26
  5. Step 5: Solve for x
    x = 6,350,510,451.26/108,970.10
  6. Step 6: Final answer
    x = 58,277.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.