Home / 75,803.12-104,608.08-42,269.12

Finding the Fourth Proportional to 75,803.12, 104,608.08 and 42,269.12

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Solution

The fourth proportional to 75,803.12, 104,608.08 and 42,269.12 is: 58,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,803.12 : 104,608.08 = 42,269.12 : x
  2. Step 2: Convert to fraction form
    75,803.12/104,608.08 = 42,269.12/x
  3. Step 3: Cross multiply
    75,803.12x = 104,608.08 × 42,269.12
  4. Step 4: Simplify right side
    75,803.12x = 4,421,691,486.49
  5. Step 5: Solve for x
    x = 4,421,691,486.49/75,803.12
  6. Step 6: Final answer
    x = 58,331.26

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1.5x scale

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.