Home / 99,155.88-148,762.94-39,961.08

Finding the Fourth Proportional to 99,155.88, 148,762.94 and 39,961.08

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Solution

The fourth proportional to 99,155.88, 148,762.94 and 39,961.08 is: 59,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,155.88 : 148,762.94 = 39,961.08 : x
  2. Step 2: Convert to fraction form
    99,155.88/148,762.94 = 39,961.08/x
  3. Step 3: Cross multiply
    99,155.88x = 148,762.94 × 39,961.08
  4. Step 4: Simplify right side
    99,155.88x = 5,944,727,746.38
  5. Step 5: Solve for x
    x = 5,944,727,746.38/99,155.88
  6. Step 6: Final answer
    x = 59,953.36

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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.