Home / 85,210.47-117,591.26-46,970.78

Finding the Fourth Proportional to 85,210.47, 117,591.26 and 46,970.78

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Solution

The fourth proportional to 85,210.47, 117,591.26 and 46,970.78 is: 64,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,210.47 : 117,591.26 = 46,970.78 : x
  2. Step 2: Convert to fraction form
    85,210.47/117,591.26 = 46,970.78/x
  3. Step 3: Cross multiply
    85,210.47x = 117,591.26 × 46,970.78
  4. Step 4: Simplify right side
    85,210.47x = 5,523,352,380.57
  5. Step 5: Solve for x
    x = 5,523,352,380.57/85,210.47
  6. Step 6: Final answer
    x = 64,820.11

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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.