Home / 124,575.02-171,911.12-67,986.80

Finding the Fourth Proportional to 124,575.02, 171,911.12 and 67,986.80

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Solution

The fourth proportional to 124,575.02, 171,911.12 and 67,986.80 is: 93,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,575.02 : 171,911.12 = 67,986.80 : x
  2. Step 2: Convert to fraction form
    124,575.02/171,911.12 = 67,986.80/x
  3. Step 3: Cross multiply
    124,575.02x = 171,911.12 × 67,986.80
  4. Step 4: Simplify right side
    124,575.02x = 11,687,686,933.22
  5. Step 5: Solve for x
    x = 11,687,686,933.22/124,575.02
  6. Step 6: Final answer
    x = 93,820.47

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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.