Home / 62,816.12-86,685.20-34,521.20

Finding the Fourth Proportional to 62,816.12, 86,685.20 and 34,521.20

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Solution

The fourth proportional to 62,816.12, 86,685.20 and 34,521.20 is: 47,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,816.12 : 86,685.20 = 34,521.20 : x
  2. Step 2: Convert to fraction form
    62,816.12/86,685.20 = 34,521.20/x
  3. Step 3: Cross multiply
    62,816.12x = 86,685.20 × 34,521.20
  4. Step 4: Simplify right side
    62,816.12x = 2,992,477,126.24
  5. Step 5: Solve for x
    x = 2,992,477,126.24/62,816.12
  6. Step 6: Final answer
    x = 47,638.68

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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.