Home / 76,264.11-105,208.87-47,985.39

Finding the Fourth Proportional to 76,264.11, 105,208.87 and 47,985.39

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Solution

The fourth proportional to 76,264.11, 105,208.87 and 47,985.39 is: 66,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,264.11 : 105,208.87 = 47,985.39 : x
  2. Step 2: Convert to fraction form
    76,264.11/105,208.87 = 47,985.39/x
  3. Step 3: Cross multiply
    76,264.11x = 105,208.87 × 47,985.39
  4. Step 4: Simplify right side
    76,264.11x = 5,048,488,658.41
  5. Step 5: Solve for x
    x = 5,048,488,658.41/76,264.11
  6. Step 6: Final answer
    x = 66,197.44

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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.