Home / 85,280.32-117,685.34-47,043.36

Finding the Fourth Proportional to 85,280.32, 117,685.34 and 47,043.36

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Solution

The fourth proportional to 85,280.32, 117,685.34 and 47,043.36 is: 64,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280.32 : 117,685.34 = 47,043.36 : x
  2. Step 2: Convert to fraction form
    85,280.32/117,685.34 = 47,043.36/x
  3. Step 3: Cross multiply
    85,280.32x = 117,685.34 × 47,043.36
  4. Step 4: Simplify right side
    85,280.32x = 5,536,313,816.34
  5. Step 5: Solve for x
    x = 5,536,313,816.34/85,280.32
  6. Step 6: Final answer
    x = 64,919.01

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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.