Home / 106,781.77-147,361.92-59,038.19

Finding the Fourth Proportional to 106,781.77, 147,361.92 and 59,038.19

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Solution

The fourth proportional to 106,781.77, 147,361.92 and 59,038.19 is: 81,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,781.77 : 147,361.92 = 59,038.19 : x
  2. Step 2: Convert to fraction form
    106,781.77/147,361.92 = 59,038.19/x
  3. Step 3: Cross multiply
    106,781.77x = 147,361.92 × 59,038.19
  4. Step 4: Simplify right side
    106,781.77x = 8,699,980,626.13
  5. Step 5: Solve for x
    x = 8,699,980,626.13/106,781.77
  6. Step 6: Final answer
    x = 81,474.40

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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.