Home / 64,137.11-88,537.31-49,030.40

Finding the Fourth Proportional to 64,137.11, 88,537.31 and 49,030.40

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Solution

The fourth proportional to 64,137.11, 88,537.31 and 49,030.40 is: 67,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,137.11 : 88,537.31 = 49,030.40 : x
  2. Step 2: Convert to fraction form
    64,137.11/88,537.31 = 49,030.40/x
  3. Step 3: Cross multiply
    64,137.11x = 88,537.31 × 49,030.40
  4. Step 4: Simplify right side
    64,137.11x = 4,341,019,036.39
  5. Step 5: Solve for x
    x = 4,341,019,036.39/64,137.11
  6. Step 6: Final answer
    x = 67,683.43

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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.