Home / 66,436.25-91,678.65-37,752.12

Finding the Fourth Proportional to 66,436.25, 91,678.65 and 37,752.12

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Solution

The fourth proportional to 66,436.25, 91,678.65 and 37,752.12 is: 52,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.25 : 91,678.65 = 37,752.12 : x
  2. Step 2: Convert to fraction form
    66,436.25/91,678.65 = 37,752.12/x
  3. Step 3: Cross multiply
    66,436.25x = 91,678.65 × 37,752.12
  4. Step 4: Simplify right side
    66,436.25x = 3,461,063,396.24
  5. Step 5: Solve for x
    x = 3,461,063,396.24/66,436.25
  6. Step 6: Final answer
    x = 52,096.01

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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.