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Finding the Fourth Proportional to 62,022.90, 86,948.70 and 62,022.90

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Solution

The fourth proportional to 62,022.90, 86,948.70 and 62,022.90 is: 86,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,022.90 : 86,948.70 = 62,022.90 : x
  2. Step 2: Convert to fraction form
    62,022.90/86,948.70 = 62,022.90/x
  3. Step 3: Cross multiply
    62,022.90x = 86,948.70 × 62,022.90
  4. Step 4: Simplify right side
    62,022.90x = 5,392,810,525.23
  5. Step 5: Solve for x
    x = 5,392,810,525.23/62,022.90
  6. Step 6: Final answer
    x = 86,948.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.