Home / 62,412.11-86,128.76-34,117.81

Finding the Fourth Proportional to 62,412.11, 86,128.76 and 34,117.81

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Solution

The fourth proportional to 62,412.11, 86,128.76 and 34,117.81 is: 47,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,412.11 : 86,128.76 = 34,117.81 : x
  2. Step 2: Convert to fraction form
    62,412.11/86,128.76 = 34,117.81/x
  3. Step 3: Cross multiply
    62,412.11x = 86,128.76 × 34,117.81
  4. Step 4: Simplify right side
    62,412.11x = 2,938,524,669.22
  5. Step 5: Solve for x
    x = 2,938,524,669.22/62,412.11
  6. Step 6: Final answer
    x = 47,082.60

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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.