Home / 53,975.52-74,492.91-31,012.47

Finding the Fourth Proportional to 53,975.52, 74,492.91 and 31,012.47

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Solution

The fourth proportional to 53,975.52, 74,492.91 and 31,012.47 is: 42,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.52 : 74,492.91 = 31,012.47 : x
  2. Step 2: Convert to fraction form
    53,975.52/74,492.91 = 31,012.47/x
  3. Step 3: Cross multiply
    53,975.52x = 74,492.91 × 31,012.47
  4. Step 4: Simplify right side
    53,975.52x = 2,310,209,136.59
  5. Step 5: Solve for x
    x = 2,310,209,136.59/53,975.52
  6. Step 6: Final answer
    x = 42,801.05

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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.