Home / 62,931.12-86,844.60-34,635.12

Finding the Fourth Proportional to 62,931.12, 86,844.60 and 34,635.12

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Solution

The fourth proportional to 62,931.12, 86,844.60 and 34,635.12 is: 47,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931.12 : 86,844.60 = 34,635.12 : x
  2. Step 2: Convert to fraction form
    62,931.12/86,844.60 = 34,635.12/x
  3. Step 3: Cross multiply
    62,931.12x = 86,844.60 × 34,635.12
  4. Step 4: Simplify right side
    62,931.12x = 3,007,873,142.35
  5. Step 5: Solve for x
    x = 3,007,873,142.35/62,931.12
  6. Step 6: Final answer
    x = 47,796.28

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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.