Home / 112,045.76-168,094.56-49,721.12

Finding the Fourth Proportional to 112,045.76, 168,094.56 and 49,721.12

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Solution

The fourth proportional to 112,045.76, 168,094.56 and 49,721.12 is: 74,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,045.76 : 168,094.56 = 49,721.12 : x
  2. Step 2: Convert to fraction form
    112,045.76/168,094.56 = 49,721.12/x
  3. Step 3: Cross multiply
    112,045.76x = 168,094.56 × 49,721.12
  4. Step 4: Simplify right side
    112,045.76x = 8,357,849,789.11
  5. Step 5: Solve for x
    x = 8,357,849,789.11/112,045.76
  6. Step 6: Final answer
    x = 74,593.18

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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.