Home / 110,108.48-151,960.35-61,718.63

Finding the Fourth Proportional to 110,108.48, 151,960.35 and 61,718.63

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Solution

The fourth proportional to 110,108.48, 151,960.35 and 61,718.63 is: 85,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,108.48 : 151,960.35 = 61,718.63 : x
  2. Step 2: Convert to fraction form
    110,108.48/151,960.35 = 61,718.63/x
  3. Step 3: Cross multiply
    110,108.48x = 151,960.35 × 61,718.63
  4. Step 4: Simplify right side
    110,108.48x = 9,378,783,856.52
  5. Step 5: Solve for x
    x = 9,378,783,856.52/110,108.48
  6. Step 6: Final answer
    x = 85,177.67

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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.