Home / 117,463.04-162,126.81-69,743.92

Finding the Fourth Proportional to 117,463.04, 162,126.81 and 69,743.92

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Solution

The fourth proportional to 117,463.04, 162,126.81 and 69,743.92 is: 96,263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,463.04 : 162,126.81 = 69,743.92 : x
  2. Step 2: Convert to fraction form
    117,463.04/162,126.81 = 69,743.92/x
  3. Step 3: Cross multiply
    117,463.04x = 162,126.81 × 69,743.92
  4. Step 4: Simplify right side
    117,463.04x = 11,307,358,861.18
  5. Step 5: Solve for x
    x = 11,307,358,861.18/117,463.04
  6. Step 6: Final answer
    x = 96,263.12

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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.