Home / 112,962.10-169,421.28-38,074.36

Finding the Fourth Proportional to 112,962.10, 169,421.28 and 38,074.36

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Solution

The fourth proportional to 112,962.10, 169,421.28 and 38,074.36 is: 57,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,962.10 : 169,421.28 = 38,074.36 : x
  2. Step 2: Convert to fraction form
    112,962.10/169,421.28 = 38,074.36/x
  3. Step 3: Cross multiply
    112,962.10x = 169,421.28 × 38,074.36
  4. Step 4: Simplify right side
    112,962.10x = 6,450,606,806.38
  5. Step 5: Solve for x
    x = 6,450,606,806.38/112,962.10
  6. Step 6: Final answer
    x = 57,104.17

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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.