Home / 53,173.04-73,356.18-39,001.28

Finding the Fourth Proportional to 53,173.04, 73,356.18 and 39,001.28

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Solution

The fourth proportional to 53,173.04, 73,356.18 and 39,001.28 is: 53,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173.04 : 73,356.18 = 39,001.28 : x
  2. Step 2: Convert to fraction form
    53,173.04/73,356.18 = 39,001.28/x
  3. Step 3: Cross multiply
    53,173.04x = 73,356.18 × 39,001.28
  4. Step 4: Simplify right side
    53,173.04x = 2,860,984,915.91
  5. Step 5: Solve for x
    x = 2,860,984,915.91/53,173.04
  6. Step 6: Final answer
    x = 53,805.18

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1.5x scale

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.