Home / 73,312.03-101,118.36-67,281.75

Finding the Fourth Proportional to 73,312.03, 101,118.36 and 67,281.75

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Solution

The fourth proportional to 73,312.03, 101,118.36 and 67,281.75 is: 92,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,312.03 : 101,118.36 = 67,281.75 : x
  2. Step 2: Convert to fraction form
    73,312.03/101,118.36 = 67,281.75/x
  3. Step 3: Cross multiply
    73,312.03x = 101,118.36 × 67,281.75
  4. Step 4: Simplify right side
    73,312.03x = 6,803,419,611.82
  5. Step 5: Solve for x
    x = 6,803,419,611.82/73,312.03
  6. Step 6: Final answer
    x = 92,800.86

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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.