Home / 76,355.32-105,370.14-42,822.04

Finding the Fourth Proportional to 76,355.32, 105,370.14 and 42,822.04

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Solution

The fourth proportional to 76,355.32, 105,370.14 and 42,822.04 is: 59,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,355.32 : 105,370.14 = 42,822.04 : x
  2. Step 2: Convert to fraction form
    76,355.32/105,370.14 = 42,822.04/x
  3. Step 3: Cross multiply
    76,355.32x = 105,370.14 × 42,822.04
  4. Step 4: Simplify right side
    76,355.32x = 4,512,164,349.89
  5. Step 5: Solve for x
    x = 4,512,164,349.89/76,355.32
  6. Step 6: Final answer
    x = 59,094.30

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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.