Home / 61,132.02-91,667.78-21,683.22

Finding the Fourth Proportional to 61,132.02, 91,667.78 and 21,683.22

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Solution

The fourth proportional to 61,132.02, 91,667.78 and 21,683.22 is: 32,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,132.02 : 91,667.78 = 21,683.22 : x
  2. Step 2: Convert to fraction form
    61,132.02/91,667.78 = 21,683.22/x
  3. Step 3: Cross multiply
    61,132.02x = 91,667.78 × 21,683.22
  4. Step 4: Simplify right side
    61,132.02x = 1,987,652,640.65
  5. Step 5: Solve for x
    x = 1,987,652,640.65/61,132.02
  6. Step 6: Final answer
    x = 32,514.10

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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.