Home / 101,650.07-140,277.92-56,328.81

Finding the Fourth Proportional to 101,650.07, 140,277.92 and 56,328.81

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Solution

The fourth proportional to 101,650.07, 140,277.92 and 56,328.81 is: 77,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,650.07 : 140,277.92 = 56,328.81 : x
  2. Step 2: Convert to fraction form
    101,650.07/140,277.92 = 56,328.81/x
  3. Step 3: Cross multiply
    101,650.07x = 140,277.92 × 56,328.81
  4. Step 4: Simplify right side
    101,650.07x = 7,901,687,959.61
  5. Step 5: Solve for x
    x = 7,901,687,959.61/101,650.07
  6. Step 6: Final answer
    x = 77,734.21

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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.