Home / 85,728.16-118,293.78-48,002.41

Finding the Fourth Proportional to 85,728.16, 118,293.78 and 48,002.41

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Solution

The fourth proportional to 85,728.16, 118,293.78 and 48,002.41 is: 66,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,728.16 : 118,293.78 = 48,002.41 : x
  2. Step 2: Convert to fraction form
    85,728.16/118,293.78 = 48,002.41/x
  3. Step 3: Cross multiply
    85,728.16x = 118,293.78 × 48,002.41
  4. Step 4: Simplify right side
    85,728.16x = 5,678,386,528.01
  5. Step 5: Solve for x
    x = 5,678,386,528.01/85,728.16
  6. Step 6: Final answer
    x = 66,237.12

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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.