Home / 77,657.64-116,603.10-44,415.24

Finding the Fourth Proportional to 77,657.64, 116,603.10 and 44,415.24

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Solution

The fourth proportional to 77,657.64, 116,603.10 and 44,415.24 is: 66,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,657.64 : 116,603.10 = 44,415.24 : x
  2. Step 2: Convert to fraction form
    77,657.64/116,603.10 = 44,415.24/x
  3. Step 3: Cross multiply
    77,657.64x = 116,603.10 × 44,415.24
  4. Step 4: Simplify right side
    77,657.64x = 5,178,954,671.24
  5. Step 5: Solve for x
    x = 5,178,954,671.24/77,657.64
  6. Step 6: Final answer
    x = 66,689.57

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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.