Home / 101,683.02-140,330.97-56,375.22

Finding the Fourth Proportional to 101,683.02, 140,330.97 and 56,375.22

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Solution

The fourth proportional to 101,683.02, 140,330.97 and 56,375.22 is: 77,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,683.02 : 140,330.97 = 56,375.22 : x
  2. Step 2: Convert to fraction form
    101,683.02/140,330.97 = 56,375.22/x
  3. Step 3: Cross multiply
    101,683.02x = 140,330.97 × 56,375.22
  4. Step 4: Simplify right side
    101,683.02x = 7,911,189,306.56
  5. Step 5: Solve for x
    x = 7,911,189,306.56/101,683.02
  6. Step 6: Final answer
    x = 77,802.46

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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.