Home / 80,801.56-111,515.93-46,358.90

Finding the Fourth Proportional to 80,801.56, 111,515.93 and 46,358.90

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Solution

The fourth proportional to 80,801.56, 111,515.93 and 46,358.90 is: 63,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,801.56 : 111,515.93 = 46,358.90 : x
  2. Step 2: Convert to fraction form
    80,801.56/111,515.93 = 46,358.90/x
  3. Step 3: Cross multiply
    80,801.56x = 111,515.93 × 46,358.90
  4. Step 4: Simplify right side
    80,801.56x = 5,169,755,649.93
  5. Step 5: Solve for x
    x = 5,169,755,649.93/80,801.56
  6. Step 6: Final answer
    x = 63,980.89

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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.