Home / 48,645.16-72,971.34-17,480.68

Finding the Fourth Proportional to 48,645.16, 72,971.34 and 17,480.68

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Solution

The fourth proportional to 48,645.16, 72,971.34 and 17,480.68 is: 26,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.16 : 72,971.34 = 17,480.68 : x
  2. Step 2: Convert to fraction form
    48,645.16/72,971.34 = 17,480.68/x
  3. Step 3: Cross multiply
    48,645.16x = 72,971.34 × 17,480.68
  4. Step 4: Simplify right side
    48,645.16x = 1,275,588,643.71
  5. Step 5: Solve for x
    x = 1,275,588,643.71/48,645.16
  6. Step 6: Final answer
    x = 26,222.31

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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.