Home / 66,476.98-99,664.35-34,421.70

Finding the Fourth Proportional to 66,476.98, 99,664.35 and 34,421.70

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Solution

The fourth proportional to 66,476.98, 99,664.35 and 34,421.70 is: 51,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,476.98 : 99,664.35 = 34,421.70 : x
  2. Step 2: Convert to fraction form
    66,476.98/99,664.35 = 34,421.70/x
  3. Step 3: Cross multiply
    66,476.98x = 99,664.35 × 34,421.70
  4. Step 4: Simplify right side
    66,476.98x = 3,430,616,356.40
  5. Step 5: Solve for x
    x = 3,430,616,356.40/66,476.98
  6. Step 6: Final answer
    x = 51,606.08

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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.