Home / 66,726.84-99,986.58-42,051

Finding the Fourth Proportional to 66,726.84, 99,986.58 and 42,051

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Solution

The fourth proportional to 66,726.84, 99,986.58 and 42,051 is: 63,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726.84 : 99,986.58 = 42,051 : x
  2. Step 2: Convert to fraction form
    66,726.84/99,986.58 = 42,051/x
  3. Step 3: Cross multiply
    66,726.84x = 99,986.58 × 42,051
  4. Step 4: Simplify right side
    66,726.84x = 4,204,535,675.58
  5. Step 5: Solve for x
    x = 4,204,535,675.58/66,726.84
  6. Step 6: Final answer
    x = 63,011.16

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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.