Home / 75,102.94-103,641.54-43,271.15

Finding the Fourth Proportional to 75,102.94, 103,641.54 and 43,271.15

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Solution

The fourth proportional to 75,102.94, 103,641.54 and 43,271.15 is: 59,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,102.94 : 103,641.54 = 43,271.15 : x
  2. Step 2: Convert to fraction form
    75,102.94/103,641.54 = 43,271.15/x
  3. Step 3: Cross multiply
    75,102.94x = 103,641.54 × 43,271.15
  4. Step 4: Simplify right side
    75,102.94x = 4,484,688,623.57
  5. Step 5: Solve for x
    x = 4,484,688,623.57/75,102.94
  6. Step 6: Final answer
    x = 59,713.89

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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.