Home / 61,811.10-85,235.22-52,888.14

Finding the Fourth Proportional to 61,811.10, 85,235.22 and 52,888.14

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Solution

The fourth proportional to 61,811.10, 85,235.22 and 52,888.14 is: 72,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,811.10 : 85,235.22 = 52,888.14 : x
  2. Step 2: Convert to fraction form
    61,811.10/85,235.22 = 52,888.14/x
  3. Step 3: Cross multiply
    61,811.10x = 85,235.22 × 52,888.14
  4. Step 4: Simplify right side
    61,811.10x = 4,507,932,248.29
  5. Step 5: Solve for x
    x = 4,507,932,248.29/61,811.10
  6. Step 6: Final answer
    x = 72,930.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.