Home / 76,328.26-105,342.70-42,794.26

Finding the Fourth Proportional to 76,328.26, 105,342.70 and 42,794.26

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Solution

The fourth proportional to 76,328.26, 105,342.70 and 42,794.26 is: 59,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,328.26 : 105,342.70 = 42,794.26 : x
  2. Step 2: Convert to fraction form
    76,328.26/105,342.70 = 42,794.26/x
  3. Step 3: Cross multiply
    76,328.26x = 105,342.70 × 42,794.26
  4. Step 4: Simplify right side
    76,328.26x = 4,508,062,892.90
  5. Step 5: Solve for x
    x = 4,508,062,892.90/76,328.26
  6. Step 6: Final answer
    x = 59,061.52

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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.