Home / 112,246.52-154,899.66-61,948.60

Finding the Fourth Proportional to 112,246.52, 154,899.66 and 61,948.60

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Solution

The fourth proportional to 112,246.52, 154,899.66 and 61,948.60 is: 85,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,246.52 : 154,899.66 = 61,948.60 : x
  2. Step 2: Convert to fraction form
    112,246.52/154,899.66 = 61,948.60/x
  3. Step 3: Cross multiply
    112,246.52x = 154,899.66 × 61,948.60
  4. Step 4: Simplify right side
    112,246.52x = 9,595,817,077.48
  5. Step 5: Solve for x
    x = 9,595,817,077.48/112,246.52
  6. Step 6: Final answer
    x = 85,488.77

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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.