Home / 67,986.60-93,816.01-39,308.10

Finding the Fourth Proportional to 67,986.60, 93,816.01 and 39,308.10

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Solution

The fourth proportional to 67,986.60, 93,816.01 and 39,308.10 is: 54,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,986.60 : 93,816.01 = 39,308.10 : x
  2. Step 2: Convert to fraction form
    67,986.60/93,816.01 = 39,308.10/x
  3. Step 3: Cross multiply
    67,986.60x = 93,816.01 × 39,308.10
  4. Step 4: Simplify right side
    67,986.60x = 3,687,729,004.41
  5. Step 5: Solve for x
    x = 3,687,729,004.41/67,986.60
  6. Step 6: Final answer
    x = 54,242.00

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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.