Home / 99,926.19-137,834.73-76,000.41

Finding the Fourth Proportional to 99,926.19, 137,834.73 and 76,000.41

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Solution

The fourth proportional to 99,926.19, 137,834.73 and 76,000.41 is: 104,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,926.19 : 137,834.73 = 76,000.41 : x
  2. Step 2: Convert to fraction form
    99,926.19/137,834.73 = 76,000.41/x
  3. Step 3: Cross multiply
    99,926.19x = 137,834.73 × 76,000.41
  4. Step 4: Simplify right side
    99,926.19x = 10,475,495,992.24
  5. Step 5: Solve for x
    x = 10,475,495,992.24/99,926.19
  6. Step 6: Final answer
    x = 104,832.34

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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.