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Finding the Fourth Proportional to 75,907.13, 104,751.83 and 42,373.13

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Solution

The fourth proportional to 75,907.13, 104,751.83 and 42,373.13 is: 58,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,907.13 : 104,751.83 = 42,373.13 : x
  2. Step 2: Convert to fraction form
    75,907.13/104,751.83 = 42,373.13/x
  3. Step 3: Cross multiply
    75,907.13x = 104,751.83 × 42,373.13
  4. Step 4: Simplify right side
    75,907.13x = 4,438,662,492.50
  5. Step 5: Solve for x
    x = 4,438,662,492.50/75,907.13
  6. Step 6: Final answer
    x = 58,474.91

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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.