Home / 66,727.84-99,988.08-42,052

Finding the Fourth Proportional to 66,727.84, 99,988.08 and 42,052

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Solution

The fourth proportional to 66,727.84, 99,988.08 and 42,052 is: 63,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,727.84 : 99,988.08 = 42,052 : x
  2. Step 2: Convert to fraction form
    66,727.84/99,988.08 = 42,052/x
  3. Step 3: Cross multiply
    66,727.84x = 99,988.08 × 42,052
  4. Step 4: Simplify right side
    66,727.84x = 4,204,698,740.16
  5. Step 5: Solve for x
    x = 4,204,698,740.16/66,727.84
  6. Step 6: Final answer
    x = 63,012.66

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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.