Home / 72,817.64-100,455.85-59,444.14

Finding the Fourth Proportional to 72,817.64, 100,455.85 and 59,444.14

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Solution

The fourth proportional to 72,817.64, 100,455.85 and 59,444.14 is: 82,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,817.64 : 100,455.85 = 59,444.14 : x
  2. Step 2: Convert to fraction form
    72,817.64/100,455.85 = 59,444.14/x
  3. Step 3: Cross multiply
    72,817.64x = 100,455.85 × 59,444.14
  4. Step 4: Simplify right side
    72,817.64x = 5,971,511,611.22
  5. Step 5: Solve for x
    x = 5,971,511,611.22/72,817.64
  6. Step 6: Final answer
    x = 82,006.39

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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.