Home / 76,932.72-106,118.64-59,000.40

Finding the Fourth Proportional to 76,932.72, 106,118.64 and 59,000.40

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Solution

The fourth proportional to 76,932.72, 106,118.64 and 59,000.40 is: 81,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,932.72 : 106,118.64 = 59,000.40 : x
  2. Step 2: Convert to fraction form
    76,932.72/106,118.64 = 59,000.40/x
  3. Step 3: Cross multiply
    76,932.72x = 106,118.64 × 59,000.40
  4. Step 4: Simplify right side
    76,932.72x = 6,261,042,207.46
  5. Step 5: Solve for x
    x = 6,261,042,207.46/76,932.72
  6. Step 6: Final answer
    x = 81,383.35

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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.