Home / 74,894.10-112,373.82-39,792.66

Finding the Fourth Proportional to 74,894.10, 112,373.82 and 39,792.66

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Solution

The fourth proportional to 74,894.10, 112,373.82 and 39,792.66 is: 59,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,894.10 : 112,373.82 = 39,792.66 : x
  2. Step 2: Convert to fraction form
    74,894.10/112,373.82 = 39,792.66/x
  3. Step 3: Cross multiply
    74,894.10x = 112,373.82 × 39,792.66
  4. Step 4: Simplify right side
    74,894.10x = 4,471,653,212.16
  5. Step 5: Solve for x
    x = 4,471,653,212.16/74,894.10
  6. Step 6: Final answer
    x = 59,706.35

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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.