Home / 64,408.16-88,881.36-36,115.04

Finding the Fourth Proportional to 64,408.16, 88,881.36 and 36,115.04

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Solution

The fourth proportional to 64,408.16, 88,881.36 and 36,115.04 is: 49,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.16 : 88,881.36 = 36,115.04 : x
  2. Step 2: Convert to fraction form
    64,408.16/88,881.36 = 36,115.04/x
  3. Step 3: Cross multiply
    64,408.16x = 88,881.36 × 36,115.04
  4. Step 4: Simplify right side
    64,408.16x = 3,209,953,871.65
  5. Step 5: Solve for x
    x = 3,209,953,871.65/64,408.16
  6. Step 6: Final answer
    x = 49,837.69

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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.