Home / 112,053.12-154,633.31-61,752.12

Finding the Fourth Proportional to 112,053.12, 154,633.31 and 61,752.12

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Solution

The fourth proportional to 112,053.12, 154,633.31 and 61,752.12 is: 85,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,053.12 : 154,633.31 = 61,752.12 : x
  2. Step 2: Convert to fraction form
    112,053.12/154,633.31 = 61,752.12/x
  3. Step 3: Cross multiply
    112,053.12x = 154,633.31 × 61,752.12
  4. Step 4: Simplify right side
    112,053.12x = 9,548,934,406.36
  5. Step 5: Solve for x
    x = 9,548,934,406.36/112,053.12
  6. Step 6: Final answer
    x = 85,217.93

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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.