Home / 85,856.04-118,481.33-47,621.44

Finding the Fourth Proportional to 85,856.04, 118,481.33 and 47,621.44

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Solution

The fourth proportional to 85,856.04, 118,481.33 and 47,621.44 is: 65,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,856.04 : 118,481.33 = 47,621.44 : x
  2. Step 2: Convert to fraction form
    85,856.04/118,481.33 = 47,621.44/x
  3. Step 3: Cross multiply
    85,856.04x = 118,481.33 × 47,621.44
  4. Step 4: Simplify right side
    85,856.04x = 5,642,251,547.72
  5. Step 5: Solve for x
    x = 5,642,251,547.72/85,856.04
  6. Step 6: Final answer
    x = 65,717.58

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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.