Home / 75,111.45-112,681.76-22,516.53

Finding the Fourth Proportional to 75,111.45, 112,681.76 and 22,516.53

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Solution

The fourth proportional to 75,111.45, 112,681.76 and 22,516.53 is: 33,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111.45 : 112,681.76 = 22,516.53 : x
  2. Step 2: Convert to fraction form
    75,111.45/112,681.76 = 22,516.53/x
  3. Step 3: Cross multiply
    75,111.45x = 112,681.76 × 22,516.53
  4. Step 4: Simplify right side
    75,111.45x = 2,537,202,116.91
  5. Step 5: Solve for x
    x = 2,537,202,116.91/75,111.45
  6. Step 6: Final answer
    x = 33,779.17

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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.