Home / 71,838.84-99,130.88-41,625.32

Finding the Fourth Proportional to 71,838.84, 99,130.88 and 41,625.32

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Solution

The fourth proportional to 71,838.84, 99,130.88 and 41,625.32 is: 57,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,838.84 : 99,130.88 = 41,625.32 : x
  2. Step 2: Convert to fraction form
    71,838.84/99,130.88 = 41,625.32/x
  3. Step 3: Cross multiply
    71,838.84x = 99,130.88 × 41,625.32
  4. Step 4: Simplify right side
    71,838.84x = 4,126,354,601.88
  5. Step 5: Solve for x
    x = 4,126,354,601.88/71,838.84
  6. Step 6: Final answer
    x = 57,439.05

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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.