Home / 66,374.67-99,328.05-41,426.40

Finding the Fourth Proportional to 66,374.67, 99,328.05 and 41,426.40

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Solution

The fourth proportional to 66,374.67, 99,328.05 and 41,426.40 is: 61,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,374.67 : 99,328.05 = 41,426.40 : x
  2. Step 2: Convert to fraction form
    66,374.67/99,328.05 = 41,426.40/x
  3. Step 3: Cross multiply
    66,374.67x = 99,328.05 × 41,426.40
  4. Step 4: Simplify right side
    66,374.67x = 4,114,803,530.52
  5. Step 5: Solve for x
    x = 4,114,803,530.52/66,374.67
  6. Step 6: Final answer
    x = 61,993.58

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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.