Home / 76,070.64-114,105.96-59,405.70

Finding the Fourth Proportional to 76,070.64, 114,105.96 and 59,405.70

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Solution

The fourth proportional to 76,070.64, 114,105.96 and 59,405.70 is: 89,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,070.64 : 114,105.96 = 59,405.70 : x
  2. Step 2: Convert to fraction form
    76,070.64/114,105.96 = 59,405.70/x
  3. Step 3: Cross multiply
    76,070.64x = 114,105.96 × 59,405.70
  4. Step 4: Simplify right side
    76,070.64x = 6,778,544,427.97
  5. Step 5: Solve for x
    x = 6,778,544,427.97/76,070.64
  6. Step 6: Final answer
    x = 89,108.55

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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.