Home / 90,956.84-136,428.93-34,019.91

Finding the Fourth Proportional to 90,956.84, 136,428.93 and 34,019.91

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Solution

The fourth proportional to 90,956.84, 136,428.93 and 34,019.91 is: 51,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,956.84 : 136,428.93 = 34,019.91 : x
  2. Step 2: Convert to fraction form
    90,956.84/136,428.93 = 34,019.91/x
  3. Step 3: Cross multiply
    90,956.84x = 136,428.93 × 34,019.91
  4. Step 4: Simplify right side
    90,956.84x = 4,641,299,920.00
  5. Step 5: Solve for x
    x = 4,641,299,920.00/90,956.84
  6. Step 6: Final answer
    x = 51,027.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.