Home / 86,002.28-118,683.06-48,276.60

Finding the Fourth Proportional to 86,002.28, 118,683.06 and 48,276.60

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Solution

The fourth proportional to 86,002.28, 118,683.06 and 48,276.60 is: 66,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.28 : 118,683.06 = 48,276.60 : x
  2. Step 2: Convert to fraction form
    86,002.28/118,683.06 = 48,276.60/x
  3. Step 3: Cross multiply
    86,002.28x = 118,683.06 × 48,276.60
  4. Step 4: Simplify right side
    86,002.28x = 5,729,614,614.40
  5. Step 5: Solve for x
    x = 5,729,614,614.40/86,002.28
  6. Step 6: Final answer
    x = 66,621.66

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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.