Home / 63,728.08-87,941.52-35,428.24

Finding the Fourth Proportional to 63,728.08, 87,941.52 and 35,428.24

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Solution

The fourth proportional to 63,728.08, 87,941.52 and 35,428.24 is: 48,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,728.08 : 87,941.52 = 35,428.24 : x
  2. Step 2: Convert to fraction form
    63,728.08/87,941.52 = 35,428.24/x
  3. Step 3: Cross multiply
    63,728.08x = 87,941.52 × 35,428.24
  4. Step 4: Simplify right side
    63,728.08x = 3,115,613,276.52
  5. Step 5: Solve for x
    x = 3,115,613,276.52/63,728.08
  6. Step 6: Final answer
    x = 48,889.18

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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.