Home / 90,750.48-136,209.96-46,408.92

Finding the Fourth Proportional to 90,750.48, 136,209.96 and 46,408.92

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Solution

The fourth proportional to 90,750.48, 136,209.96 and 46,408.92 is: 69,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,750.48 : 136,209.96 = 46,408.92 : x
  2. Step 2: Convert to fraction form
    90,750.48/136,209.96 = 46,408.92/x
  3. Step 3: Cross multiply
    90,750.48x = 136,209.96 × 46,408.92
  4. Step 4: Simplify right side
    90,750.48x = 6,321,357,136.84
  5. Step 5: Solve for x
    x = 6,321,357,136.84/90,750.48
  6. Step 6: Final answer
    x = 69,656.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.