Home / 62,422.50-86,143.08-34,128.42

Finding the Fourth Proportional to 62,422.50, 86,143.08 and 34,128.42

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Solution

The fourth proportional to 62,422.50, 86,143.08 and 34,128.42 is: 47,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,422.50 : 86,143.08 = 34,128.42 : x
  2. Step 2: Convert to fraction form
    62,422.50/86,143.08 = 34,128.42/x
  3. Step 3: Cross multiply
    62,422.50x = 86,143.08 × 34,128.42
  4. Step 4: Simplify right side
    62,422.50x = 2,939,927,214.33
  5. Step 5: Solve for x
    x = 2,939,927,214.33/62,422.50
  6. Step 6: Final answer
    x = 47,097.24

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1.5x scale

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.