Home / 66,727.34-99,987.33-42,051.50

Finding the Fourth Proportional to 66,727.34, 99,987.33 and 42,051.50

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Solution

The fourth proportional to 66,727.34, 99,987.33 and 42,051.50 is: 63,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727.34 : 99,987.33 = 42,051.50 : x
  2. Step 2: Convert to fraction form
    66,727.34/99,987.33 = 42,051.50/x
  3. Step 3: Cross multiply
    66,727.34x = 99,987.33 × 42,051.50
  4. Step 4: Simplify right side
    66,727.34x = 4,204,617,207.50
  5. Step 5: Solve for x
    x = 4,204,617,207.50/66,727.34
  6. Step 6: Final answer
    x = 63,011.91

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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.