Home / 86,002.78-118,683.75-48,277.10

Finding the Fourth Proportional to 86,002.78, 118,683.75 and 48,277.10

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Solution

The fourth proportional to 86,002.78, 118,683.75 and 48,277.10 is: 66,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.78 : 118,683.75 = 48,277.10 : x
  2. Step 2: Convert to fraction form
    86,002.78/118,683.75 = 48,277.10/x
  3. Step 3: Cross multiply
    86,002.78x = 118,683.75 × 48,277.10
  4. Step 4: Simplify right side
    86,002.78x = 5,729,707,267.13
  5. Step 5: Solve for x
    x = 5,729,707,267.13/86,002.78
  6. Step 6: Final answer
    x = 66,622.35

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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.