Home / 66,106.98-99,152.91-19,364.58

Finding the Fourth Proportional to 66,106.98, 99,152.91 and 19,364.58

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Solution

The fourth proportional to 66,106.98, 99,152.91 and 19,364.58 is: 29,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.98 : 99,152.91 = 19,364.58 : x
  2. Step 2: Convert to fraction form
    66,106.98/99,152.91 = 19,364.58/x
  3. Step 3: Cross multiply
    66,106.98x = 99,152.91 × 19,364.58
  4. Step 4: Simplify right side
    66,106.98x = 1,920,054,457.93
  5. Step 5: Solve for x
    x = 1,920,054,457.93/66,106.98
  6. Step 6: Final answer
    x = 29,044.66

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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.