Home / 85,025.52-117,332.01-47,302.20

Finding the Fourth Proportional to 85,025.52, 117,332.01 and 47,302.20

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Solution

The fourth proportional to 85,025.52, 117,332.01 and 47,302.20 is: 65,275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,025.52 : 117,332.01 = 47,302.20 : x
  2. Step 2: Convert to fraction form
    85,025.52/117,332.01 = 47,302.20/x
  3. Step 3: Cross multiply
    85,025.52x = 117,332.01 × 47,302.20
  4. Step 4: Simplify right side
    85,025.52x = 5,550,062,203.42
  5. Step 5: Solve for x
    x = 5,550,062,203.42/85,025.52
  6. Step 6: Final answer
    x = 65,275.25

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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.