Home / 101,750.07-140,431.50-59,300.40

Finding the Fourth Proportional to 101,750.07, 140,431.50 and 59,300.40

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Solution

The fourth proportional to 101,750.07, 140,431.50 and 59,300.40 is: 81,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,750.07 : 140,431.50 = 59,300.40 : x
  2. Step 2: Convert to fraction form
    101,750.07/140,431.50 = 59,300.40/x
  3. Step 3: Cross multiply
    101,750.07x = 140,431.50 × 59,300.40
  4. Step 4: Simplify right side
    101,750.07x = 8,327,644,122.60
  5. Step 5: Solve for x
    x = 8,327,644,122.60/101,750.07
  6. Step 6: Final answer
    x = 81,844.11

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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.