Home / 61,111.14-91,807.06-43,140.68

Finding the Fourth Proportional to 61,111.14, 91,807.06 and 43,140.68

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Solution

The fourth proportional to 61,111.14, 91,807.06 and 43,140.68 is: 64,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,111.14 : 91,807.06 = 43,140.68 : x
  2. Step 2: Convert to fraction form
    61,111.14/91,807.06 = 43,140.68/x
  3. Step 3: Cross multiply
    61,111.14x = 91,807.06 × 43,140.68
  4. Step 4: Simplify right side
    61,111.14x = 3,960,619,118.87
  5. Step 5: Solve for x
    x = 3,960,619,118.87/61,111.14
  6. Step 6: Final answer
    x = 64,810.10

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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.