Home / 76,156.25-105,081.05-49,295.03

Finding the Fourth Proportional to 76,156.25, 105,081.05 and 49,295.03

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Solution

The fourth proportional to 76,156.25, 105,081.05 and 49,295.03 is: 68,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,156.25 : 105,081.05 = 49,295.03 : x
  2. Step 2: Convert to fraction form
    76,156.25/105,081.05 = 49,295.03/x
  3. Step 3: Cross multiply
    76,156.25x = 105,081.05 × 49,295.03
  4. Step 4: Simplify right side
    76,156.25x = 5,179,973,265.71
  5. Step 5: Solve for x
    x = 5,179,973,265.71/76,156.25
  6. Step 6: Final answer
    x = 68,017.70

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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.