Home / 53,117.54-79,690.19-19,837.88

Finding the Fourth Proportional to 53,117.54, 79,690.19 and 19,837.88

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Solution

The fourth proportional to 53,117.54, 79,690.19 and 19,837.88 is: 29,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.54 : 79,690.19 = 19,837.88 : x
  2. Step 2: Convert to fraction form
    53,117.54/79,690.19 = 19,837.88/x
  3. Step 3: Cross multiply
    53,117.54x = 79,690.19 × 19,837.88
  4. Step 4: Simplify right side
    53,117.54x = 1,580,883,928.76
  5. Step 5: Solve for x
    x = 1,580,883,928.76/53,117.54
  6. Step 6: Final answer
    x = 29,762.00

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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.