Home / 57,968.40-86,952.60-55,246.80

Finding the Fourth Proportional to 57,968.40, 86,952.60 and 55,246.80

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Solution

The fourth proportional to 57,968.40, 86,952.60 and 55,246.80 is: 82,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,968.40 : 86,952.60 = 55,246.80 : x
  2. Step 2: Convert to fraction form
    57,968.40/86,952.60 = 55,246.80/x
  3. Step 3: Cross multiply
    57,968.40x = 86,952.60 × 55,246.80
  4. Step 4: Simplify right side
    57,968.40x = 4,803,852,901.68
  5. Step 5: Solve for x
    x = 4,803,852,901.68/57,968.40
  6. Step 6: Final answer
    x = 82,870.20

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1.5x scale

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.