Home / 75,670.55-113,512.35-19,510.16

Finding the Fourth Proportional to 75,670.55, 113,512.35 and 19,510.16

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Solution

The fourth proportional to 75,670.55, 113,512.35 and 19,510.16 is: 29,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,670.55 : 113,512.35 = 19,510.16 : x
  2. Step 2: Convert to fraction form
    75,670.55/113,512.35 = 19,510.16/x
  3. Step 3: Cross multiply
    75,670.55x = 113,512.35 × 19,510.16
  4. Step 4: Simplify right side
    75,670.55x = 2,214,644,110.48
  5. Step 5: Solve for x
    x = 2,214,644,110.48/75,670.55
  6. Step 6: Final answer
    x = 29,266.92

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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.