Home / 63,816.16-88,066.80-38,648.16

Finding the Fourth Proportional to 63,816.16, 88,066.80 and 38,648.16

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Solution

The fourth proportional to 63,816.16, 88,066.80 and 38,648.16 is: 53,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,816.16 : 88,066.80 = 38,648.16 : x
  2. Step 2: Convert to fraction form
    63,816.16/88,066.80 = 38,648.16/x
  3. Step 3: Cross multiply
    63,816.16x = 88,066.80 × 38,648.16
  4. Step 4: Simplify right side
    63,816.16x = 3,403,619,777.09
  5. Step 5: Solve for x
    x = 3,403,619,777.09/63,816.16
  6. Step 6: Final answer
    x = 53,334.76

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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.