Home / 101,938.14-140,683.47-59,510.34

Finding the Fourth Proportional to 101,938.14, 140,683.47 and 59,510.34

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Solution

The fourth proportional to 101,938.14, 140,683.47 and 59,510.34 is: 82,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,938.14 : 140,683.47 = 59,510.34 : x
  2. Step 2: Convert to fraction form
    101,938.14/140,683.47 = 59,510.34/x
  3. Step 3: Cross multiply
    101,938.14x = 140,683.47 × 59,510.34
  4. Step 4: Simplify right side
    101,938.14x = 8,372,121,132.08
  5. Step 5: Solve for x
    x = 8,372,121,132.08/101,938.14
  6. Step 6: Final answer
    x = 82,129.43

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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.