Home / 112,057.13-154,638.86-61,069.87

Finding the Fourth Proportional to 112,057.13, 154,638.86 and 61,069.87

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Solution

The fourth proportional to 112,057.13, 154,638.86 and 61,069.87 is: 84,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,057.13 : 154,638.86 = 61,069.87 : x
  2. Step 2: Convert to fraction form
    112,057.13/154,638.86 = 61,069.87/x
  3. Step 3: Cross multiply
    112,057.13x = 154,638.86 × 61,069.87
  4. Step 4: Simplify right side
    112,057.13x = 9,443,775,077.15
  5. Step 5: Solve for x
    x = 9,443,775,077.15/112,057.13
  6. Step 6: Final answer
    x = 84,276.43

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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.