Home / 53,001.12-73,136.88-31,792.08

Finding the Fourth Proportional to 53,001.12, 73,136.88 and 31,792.08

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Solution

The fourth proportional to 53,001.12, 73,136.88 and 31,792.08 is: 43,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.12 : 73,136.88 = 31,792.08 : x
  2. Step 2: Convert to fraction form
    53,001.12/73,136.88 = 31,792.08/x
  3. Step 3: Cross multiply
    53,001.12x = 73,136.88 × 31,792.08
  4. Step 4: Simplify right side
    53,001.12x = 2,325,173,539.91
  5. Step 5: Solve for x
    x = 2,325,173,539.91/53,001.12
  6. Step 6: Final answer
    x = 43,870.27

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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.