Home / 75,280.19-103,875.21-43,009.18

Finding the Fourth Proportional to 75,280.19, 103,875.21 and 43,009.18

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Solution

The fourth proportional to 75,280.19, 103,875.21 and 43,009.18 is: 59,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,280.19 : 103,875.21 = 43,009.18 : x
  2. Step 2: Convert to fraction form
    75,280.19/103,875.21 = 43,009.18/x
  3. Step 3: Cross multiply
    75,280.19x = 103,875.21 × 43,009.18
  4. Step 4: Simplify right side
    75,280.19x = 4,467,587,344.74
  5. Step 5: Solve for x
    x = 4,467,587,344.74/75,280.19
  6. Step 6: Final answer
    x = 59,346.13

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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.