Home / 66,436.01-91,629.85-42,564.92

Finding the Fourth Proportional to 66,436.01, 91,629.85 and 42,564.92

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Solution

The fourth proportional to 66,436.01, 91,629.85 and 42,564.92 is: 58,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.01 : 91,629.85 = 42,564.92 : x
  2. Step 2: Convert to fraction form
    66,436.01/91,629.85 = 42,564.92/x
  3. Step 3: Cross multiply
    66,436.01x = 91,629.85 × 42,564.92
  4. Step 4: Simplify right side
    66,436.01x = 3,900,216,670.30
  5. Step 5: Solve for x
    x = 3,900,216,670.30/66,436.01
  6. Step 6: Final answer
    x = 58,706.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.