Home / 53,158.40-79,748.08-15,208.02

Finding the Fourth Proportional to 53,158.40, 79,748.08 and 15,208.02

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Solution

The fourth proportional to 53,158.40, 79,748.08 and 15,208.02 is: 22,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158.40 : 79,748.08 = 15,208.02 : x
  2. Step 2: Convert to fraction form
    53,158.40/79,748.08 = 15,208.02/x
  3. Step 3: Cross multiply
    53,158.40x = 79,748.08 × 15,208.02
  4. Step 4: Simplify right side
    53,158.40x = 1,212,810,395.60
  5. Step 5: Solve for x
    x = 1,212,810,395.60/53,158.40
  6. Step 6: Final answer
    x = 22,815.03

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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.