Home / 53,112.04-79,675.10-28,164.84

Finding the Fourth Proportional to 53,112.04, 79,675.10 and 28,164.84

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Solution

The fourth proportional to 53,112.04, 79,675.10 and 28,164.84 is: 42,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.04 : 79,675.10 = 28,164.84 : x
  2. Step 2: Convert to fraction form
    53,112.04/79,675.10 = 28,164.84/x
  3. Step 3: Cross multiply
    53,112.04x = 79,675.10 × 28,164.84
  4. Step 4: Simplify right side
    53,112.04x = 2,244,036,443.48
  5. Step 5: Solve for x
    x = 2,244,036,443.48/53,112.04
  6. Step 6: Final answer
    x = 42,250.99

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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.