Home / 64,117.89-88,486.05-38,632.26

Finding the Fourth Proportional to 64,117.89, 88,486.05 and 38,632.26

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Solution

The fourth proportional to 64,117.89, 88,486.05 and 38,632.26 is: 53,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117.89 : 88,486.05 = 38,632.26 : x
  2. Step 2: Convert to fraction form
    64,117.89/88,486.05 = 38,632.26/x
  3. Step 3: Cross multiply
    64,117.89x = 88,486.05 × 38,632.26
  4. Step 4: Simplify right side
    64,117.89x = 3,418,416,089.97
  5. Step 5: Solve for x
    x = 3,418,416,089.97/64,117.89
  6. Step 6: Final answer
    x = 53,314.54

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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.