Home / 65,478.01-98,275.47-45,772.33

Finding the Fourth Proportional to 65,478.01, 98,275.47 and 45,772.33

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Solution

The fourth proportional to 65,478.01, 98,275.47 and 45,772.33 is: 68,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,478.01 : 98,275.47 = 45,772.33 : x
  2. Step 2: Convert to fraction form
    65,478.01/98,275.47 = 45,772.33/x
  3. Step 3: Cross multiply
    65,478.01x = 98,275.47 × 45,772.33
  4. Step 4: Simplify right side
    65,478.01x = 4,498,297,243.75
  5. Step 5: Solve for x
    x = 4,498,297,243.75/65,478.01
  6. Step 6: Final answer
    x = 68,699.36

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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.