Home / 66,050.15-99,065.93-21,671.16

Finding the Fourth Proportional to 66,050.15, 99,065.93 and 21,671.16

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Solution

The fourth proportional to 66,050.15, 99,065.93 and 21,671.16 is: 32,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.15 : 99,065.93 = 21,671.16 : x
  2. Step 2: Convert to fraction form
    66,050.15/99,065.93 = 21,671.16/x
  3. Step 3: Cross multiply
    66,050.15x = 99,065.93 × 21,671.16
  4. Step 4: Simplify right side
    66,050.15x = 2,146,873,511.22
  5. Step 5: Solve for x
    x = 2,146,873,511.22/66,050.15
  6. Step 6: Final answer
    x = 32,503.69

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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.