Home / 86,862.57-130,295.22-34,271.60

Finding the Fourth Proportional to 86,862.57, 130,295.22 and 34,271.60

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Solution

The fourth proportional to 86,862.57, 130,295.22 and 34,271.60 is: 51,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,862.57 : 130,295.22 = 34,271.60 : x
  2. Step 2: Convert to fraction form
    86,862.57/130,295.22 = 34,271.60/x
  3. Step 3: Cross multiply
    86,862.57x = 130,295.22 × 34,271.60
  4. Step 4: Simplify right side
    86,862.57x = 4,465,424,838.92
  5. Step 5: Solve for x
    x = 4,465,424,838.92/86,862.57
  6. Step 6: Final answer
    x = 51,407.93

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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.