Home / 85,079.57-127,619.34-22,748.45

Finding the Fourth Proportional to 85,079.57, 127,619.34 and 22,748.45

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Solution

The fourth proportional to 85,079.57, 127,619.34 and 22,748.45 is: 34,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,079.57 : 127,619.34 = 22,748.45 : x
  2. Step 2: Convert to fraction form
    85,079.57/127,619.34 = 22,748.45/x
  3. Step 3: Cross multiply
    85,079.57x = 127,619.34 × 22,748.45
  4. Step 4: Simplify right side
    85,079.57x = 2,903,141,536.93
  5. Step 5: Solve for x
    x = 2,903,141,536.93/85,079.57
  6. Step 6: Final answer
    x = 34,122.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.