Home / 77,664.93-116,412.12-44,312.28

Finding the Fourth Proportional to 77,664.93, 116,412.12 and 44,312.28

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Solution

The fourth proportional to 77,664.93, 116,412.12 and 44,312.28 is: 66,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,664.93 : 116,412.12 = 44,312.28 : x
  2. Step 2: Convert to fraction form
    77,664.93/116,412.12 = 44,312.28/x
  3. Step 3: Cross multiply
    77,664.93x = 116,412.12 × 44,312.28
  4. Step 4: Simplify right side
    77,664.93x = 5,158,486,456.83
  5. Step 5: Solve for x
    x = 5,158,486,456.83/77,664.93
  6. Step 6: Final answer
    x = 66,419.77

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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.