Home / 61,111.64-91,807.81-43,141.19

Finding the Fourth Proportional to 61,111.64, 91,807.81 and 43,141.19

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Solution

The fourth proportional to 61,111.64, 91,807.81 and 43,141.19 is: 64,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,111.64 : 91,807.81 = 43,141.19 : x
  2. Step 2: Convert to fraction form
    61,111.64/91,807.81 = 43,141.19/x
  3. Step 3: Cross multiply
    61,111.64x = 91,807.81 × 43,141.19
  4. Step 4: Simplify right side
    61,111.64x = 3,960,697,715.65
  5. Step 5: Solve for x
    x = 3,960,697,715.65/61,111.64
  6. Step 6: Final answer
    x = 64,810.86

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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.