Home / 76,611.10-115,003.05-59,158.30

Finding the Fourth Proportional to 76,611.10, 115,003.05 and 59,158.30

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Solution

The fourth proportional to 76,611.10, 115,003.05 and 59,158.30 is: 88,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,611.10 : 115,003.05 = 59,158.30 : x
  2. Step 2: Convert to fraction form
    76,611.10/115,003.05 = 59,158.30/x
  3. Step 3: Cross multiply
    76,611.10x = 115,003.05 × 59,158.30
  4. Step 4: Simplify right side
    76,611.10x = 6,803,384,932.82
  5. Step 5: Solve for x
    x = 6,803,384,932.82/76,611.10
  6. Step 6: Final answer
    x = 88,804.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.