Home / 112,250.72-154,901.16-61,262.16

Finding the Fourth Proportional to 112,250.72, 154,901.16 and 61,262.16

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Solution

The fourth proportional to 112,250.72, 154,901.16 and 61,262.16 is: 84,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,250.72 : 154,901.16 = 61,262.16 : x
  2. Step 2: Convert to fraction form
    112,250.72/154,901.16 = 61,262.16/x
  3. Step 3: Cross multiply
    112,250.72x = 154,901.16 × 61,262.16
  4. Step 4: Simplify right side
    112,250.72x = 9,489,579,648.11
  5. Step 5: Solve for x
    x = 9,489,579,648.11/112,250.72
  6. Step 6: Final answer
    x = 84,539.14

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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.