Home / 94,136.80-141,202.32-31,802.08

Finding the Fourth Proportional to 94,136.80, 141,202.32 and 31,802.08

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Solution

The fourth proportional to 94,136.80, 141,202.32 and 31,802.08 is: 47,702.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,136.80 : 141,202.32 = 31,802.08 : x
  2. Step 2: Convert to fraction form
    94,136.80/141,202.32 = 31,802.08/x
  3. Step 3: Cross multiply
    94,136.80x = 141,202.32 × 31,802.08
  4. Step 4: Simplify right side
    94,136.80x = 4,490,527,476.83
  5. Step 5: Solve for x
    x = 4,490,527,476.83/94,136.80
  6. Step 6: Final answer
    x = 47,702.15

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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.