Home / 63,542.48-87,686.16-35,247.68

Finding the Fourth Proportional to 63,542.48, 87,686.16 and 35,247.68

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Solution

The fourth proportional to 63,542.48, 87,686.16 and 35,247.68 is: 48,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,542.48 : 87,686.16 = 35,247.68 : x
  2. Step 2: Convert to fraction form
    63,542.48/87,686.16 = 35,247.68/x
  3. Step 3: Cross multiply
    63,542.48x = 87,686.16 × 35,247.68
  4. Step 4: Simplify right side
    63,542.48x = 3,090,733,708.11
  5. Step 5: Solve for x
    x = 3,090,733,708.11/63,542.48
  6. Step 6: Final answer
    x = 48,640.43

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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.