Home / 53,165.40-79,748.22-49,917.72

Finding the Fourth Proportional to 53,165.40, 79,748.22 and 49,917.72

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Solution

The fourth proportional to 53,165.40, 79,748.22 and 49,917.72 is: 74,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.40 : 79,748.22 = 49,917.72 : x
  2. Step 2: Convert to fraction form
    53,165.40/79,748.22 = 49,917.72/x
  3. Step 3: Cross multiply
    53,165.40x = 79,748.22 × 49,917.72
  4. Step 4: Simplify right side
    53,165.40x = 3,980,849,316.46
  5. Step 5: Solve for x
    x = 3,980,849,316.46/53,165.40
  6. Step 6: Final answer
    x = 74,876.69

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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.