Home / 95,985.61-143,916.75-39,864.42

Finding the Fourth Proportional to 95,985.61, 143,916.75 and 39,864.42

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Solution

The fourth proportional to 95,985.61, 143,916.75 and 39,864.42 is: 59,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,985.61 : 143,916.75 = 39,864.42 : x
  2. Step 2: Convert to fraction form
    95,985.61/143,916.75 = 39,864.42/x
  3. Step 3: Cross multiply
    95,985.61x = 143,916.75 × 39,864.42
  4. Step 4: Simplify right side
    95,985.61x = 5,737,157,767.04
  5. Step 5: Solve for x
    x = 5,737,157,767.04/95,985.61
  6. Step 6: Final answer
    x = 59,771.02

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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.