Home / 53,828.60-80,597.10-42,164.60

Finding the Fourth Proportional to 53,828.60, 80,597.10 and 42,164.60

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Solution

The fourth proportional to 53,828.60, 80,597.10 and 42,164.60 is: 63,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.60 : 80,597.10 = 42,164.60 : x
  2. Step 2: Convert to fraction form
    53,828.60/80,597.10 = 42,164.60/x
  3. Step 3: Cross multiply
    53,828.60x = 80,597.10 × 42,164.60
  4. Step 4: Simplify right side
    53,828.60x = 3,398,344,482.66
  5. Step 5: Solve for x
    x = 3,398,344,482.66/53,828.60
  6. Step 6: Final answer
    x = 63,132.69

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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.