Home / 85,444.76-117,913.68-47,719.04

Finding the Fourth Proportional to 85,444.76, 117,913.68 and 47,719.04

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Solution

The fourth proportional to 85,444.76, 117,913.68 and 47,719.04 is: 65,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,444.76 : 117,913.68 = 47,719.04 : x
  2. Step 2: Convert to fraction form
    85,444.76/117,913.68 = 47,719.04/x
  3. Step 3: Cross multiply
    85,444.76x = 117,913.68 × 47,719.04
  4. Step 4: Simplify right side
    85,444.76x = 5,626,727,612.47
  5. Step 5: Solve for x
    x = 5,626,727,612.47/85,444.76
  6. Step 6: Final answer
    x = 65,852.23

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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.