Home / 85,585.76-118,106.14-47,344.32

Finding the Fourth Proportional to 85,585.76, 118,106.14 and 47,344.32

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Solution

The fourth proportional to 85,585.76, 118,106.14 and 47,344.32 is: 65,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,585.76 : 118,106.14 = 47,344.32 : x
  2. Step 2: Convert to fraction form
    85,585.76/118,106.14 = 47,344.32/x
  3. Step 3: Cross multiply
    85,585.76x = 118,106.14 × 47,344.32
  4. Step 4: Simplify right side
    85,585.76x = 5,591,654,886.12
  5. Step 5: Solve for x
    x = 5,591,654,886.12/85,585.76
  6. Step 6: Final answer
    x = 65,333.94

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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.