Home / 77,376.72-106,084.48-75,977.04

Finding the Fourth Proportional to 77,376.72, 106,084.48 and 75,977.04

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Solution

The fourth proportional to 77,376.72, 106,084.48 and 75,977.04 is: 104,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376.72 : 106,084.48 = 75,977.04 : x
  2. Step 2: Convert to fraction form
    77,376.72/106,084.48 = 75,977.04/x
  3. Step 3: Cross multiply
    77,376.72x = 106,084.48 × 75,977.04
  4. Step 4: Simplify right side
    77,376.72x = 8,059,984,780.34
  5. Step 5: Solve for x
    x = 8,059,984,780.34/77,376.72
  6. Step 6: Final answer
    x = 104,165.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.