Home / 69,088.09-103,417.62-37,419.50

Finding the Fourth Proportional to 69,088.09, 103,417.62 and 37,419.50

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Solution

The fourth proportional to 69,088.09, 103,417.62 and 37,419.50 is: 56,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.09 : 103,417.62 = 37,419.50 : x
  2. Step 2: Convert to fraction form
    69,088.09/103,417.62 = 37,419.50/x
  3. Step 3: Cross multiply
    69,088.09x = 103,417.62 × 37,419.50
  4. Step 4: Simplify right side
    69,088.09x = 3,869,835,361.99
  5. Step 5: Solve for x
    x = 3,869,835,361.99/69,088.09
  6. Step 6: Final answer
    x = 56,013.06

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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.