Home / 53,325.87-79,985.52-15,886.05

Finding the Fourth Proportional to 53,325.87, 79,985.52 and 15,886.05

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Solution

The fourth proportional to 53,325.87, 79,985.52 and 15,886.05 is: 23,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,325.87 : 79,985.52 = 15,886.05 : x
  2. Step 2: Convert to fraction form
    53,325.87/79,985.52 = 15,886.05/x
  3. Step 3: Cross multiply
    53,325.87x = 79,985.52 × 15,886.05
  4. Step 4: Simplify right side
    53,325.87x = 1,270,653,970.00
  5. Step 5: Solve for x
    x = 1,270,653,970.00/53,325.87
  6. Step 6: Final answer
    x = 23,828.10

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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.