Home / 53,802.04-80,712.85-17,780.55

Finding the Fourth Proportional to 53,802.04, 80,712.85 and 17,780.55

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Solution

The fourth proportional to 53,802.04, 80,712.85 and 17,780.55 is: 26,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,802.04 : 80,712.85 = 17,780.55 : x
  2. Step 2: Convert to fraction form
    53,802.04/80,712.85 = 17,780.55/x
  3. Step 3: Cross multiply
    53,802.04x = 80,712.85 × 17,780.55
  4. Step 4: Simplify right side
    53,802.04x = 1,435,118,820.62
  5. Step 5: Solve for x
    x = 1,435,118,820.62/53,802.04
  6. Step 6: Final answer
    x = 26,674.06

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1.5x scale

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.