Home / 64,971.13-97,456.70-15,723.13

Finding the Fourth Proportional to 64,971.13, 97,456.70 and 15,723.13

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Solution

The fourth proportional to 64,971.13, 97,456.70 and 15,723.13 is: 23,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.13 : 97,456.70 = 15,723.13 : x
  2. Step 2: Convert to fraction form
    64,971.13/97,456.70 = 15,723.13/x
  3. Step 3: Cross multiply
    64,971.13x = 97,456.70 × 15,723.13
  4. Step 4: Simplify right side
    64,971.13x = 1,532,324,363.47
  5. Step 5: Solve for x
    x = 1,532,324,363.47/64,971.13
  6. Step 6: Final answer
    x = 23,584.70

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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.