Home / 64,169.34-88,557.05-38,683.79

Finding the Fourth Proportional to 64,169.34, 88,557.05 and 38,683.79

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Solution

The fourth proportional to 64,169.34, 88,557.05 and 38,683.79 is: 53,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,169.34 : 88,557.05 = 38,683.79 : x
  2. Step 2: Convert to fraction form
    64,169.34/88,557.05 = 38,683.79/x
  3. Step 3: Cross multiply
    64,169.34x = 88,557.05 × 38,683.79
  4. Step 4: Simplify right side
    64,169.34x = 3,425,722,325.22
  5. Step 5: Solve for x
    x = 3,425,722,325.22/64,169.34
  6. Step 6: Final answer
    x = 53,385.66

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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.