Home / 86,191.56-118,943.64-48,465

Finding the Fourth Proportional to 86,191.56, 118,943.64 and 48,465

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Solution

The fourth proportional to 86,191.56, 118,943.64 and 48,465 is: 66,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,191.56 : 118,943.64 = 48,465 : x
  2. Step 2: Convert to fraction form
    86,191.56/118,943.64 = 48,465/x
  3. Step 3: Cross multiply
    86,191.56x = 118,943.64 × 48,465
  4. Step 4: Simplify right side
    86,191.56x = 5,764,603,512.60
  5. Step 5: Solve for x
    x = 5,764,603,512.60/86,191.56
  6. Step 6: Final answer
    x = 66,881.30

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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.