Home / 53,750.66-80,637.30-18,210.15

Finding the Fourth Proportional to 53,750.66, 80,637.30 and 18,210.15

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Solution

The fourth proportional to 53,750.66, 80,637.30 and 18,210.15 is: 27,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,750.66 : 80,637.30 = 18,210.15 : x
  2. Step 2: Convert to fraction form
    53,750.66/80,637.30 = 18,210.15/x
  3. Step 3: Cross multiply
    53,750.66x = 80,637.30 × 18,210.15
  4. Step 4: Simplify right side
    53,750.66x = 1,468,417,328.60
  5. Step 5: Solve for x
    x = 1,468,417,328.60/53,750.66
  6. Step 6: Final answer
    x = 27,319.06

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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.