Home / 106,749.22-147,313.95-59,002.57

Finding the Fourth Proportional to 106,749.22, 147,313.95 and 59,002.57

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Solution

The fourth proportional to 106,749.22, 147,313.95 and 59,002.57 is: 81,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,749.22 : 147,313.95 = 59,002.57 : x
  2. Step 2: Convert to fraction form
    106,749.22/147,313.95 = 59,002.57/x
  3. Step 3: Cross multiply
    106,749.22x = 147,313.95 × 59,002.57
  4. Step 4: Simplify right side
    106,749.22x = 8,691,901,646.85
  5. Step 5: Solve for x
    x = 8,691,901,646.85/106,749.22
  6. Step 6: Final answer
    x = 81,423.56

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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.