Home / 70,891.13-97,833.08-42,204.31

Finding the Fourth Proportional to 70,891.13, 97,833.08 and 42,204.31

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Solution

The fourth proportional to 70,891.13, 97,833.08 and 42,204.31 is: 58,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,891.13 : 97,833.08 = 42,204.31 : x
  2. Step 2: Convert to fraction form
    70,891.13/97,833.08 = 42,204.31/x
  3. Step 3: Cross multiply
    70,891.13x = 97,833.08 × 42,204.31
  4. Step 4: Simplify right side
    70,891.13x = 4,128,977,636.57
  5. Step 5: Solve for x
    x = 4,128,977,636.57/70,891.13
  6. Step 6: Final answer
    x = 58,243.92

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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.