Home / 76,948.50-106,175.77-42,955.23

Finding the Fourth Proportional to 76,948.50, 106,175.77 and 42,955.23

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Solution

The fourth proportional to 76,948.50, 106,175.77 and 42,955.23 is: 59,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948.50 : 106,175.77 = 42,955.23 : x
  2. Step 2: Convert to fraction form
    76,948.50/106,175.77 = 42,955.23/x
  3. Step 3: Cross multiply
    76,948.50x = 106,175.77 × 42,955.23
  4. Step 4: Simplify right side
    76,948.50x = 4,560,804,620.78
  5. Step 5: Solve for x
    x = 4,560,804,620.78/76,948.50
  6. Step 6: Final answer
    x = 59,270.87

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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.