Home / 86,214.28-118,975.68-48,488.50

Finding the Fourth Proportional to 86,214.28, 118,975.68 and 48,488.50

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Solution

The fourth proportional to 86,214.28, 118,975.68 and 48,488.50 is: 66,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.28 : 118,975.68 = 48,488.50 : x
  2. Step 2: Convert to fraction form
    86,214.28/118,975.68 = 48,488.50/x
  3. Step 3: Cross multiply
    86,214.28x = 118,975.68 × 48,488.50
  4. Step 4: Simplify right side
    86,214.28x = 5,768,952,259.68
  5. Step 5: Solve for x
    x = 5,768,952,259.68/86,214.28
  6. Step 6: Final answer
    x = 66,914.12

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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.