Home / 71,453.08-98,637.78-45,971.56

Finding the Fourth Proportional to 71,453.08, 98,637.78 and 45,971.56

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Solution

The fourth proportional to 71,453.08, 98,637.78 and 45,971.56 is: 63,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453.08 : 98,637.78 = 45,971.56 : x
  2. Step 2: Convert to fraction form
    71,453.08/98,637.78 = 45,971.56/x
  3. Step 3: Cross multiply
    71,453.08x = 98,637.78 × 45,971.56
  4. Step 4: Simplify right side
    71,453.08x = 4,534,532,621.54
  5. Step 5: Solve for x
    x = 4,534,532,621.54/71,453.08
  6. Step 6: Final answer
    x = 63,461.68

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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.