Home / 66,283.02-91,470.60-37,988.73

Finding the Fourth Proportional to 66,283.02, 91,470.60 and 37,988.73

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Solution

The fourth proportional to 66,283.02, 91,470.60 and 37,988.73 is: 52,424.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,283.02 : 91,470.60 = 37,988.73 : x
  2. Step 2: Convert to fraction form
    66,283.02/91,470.60 = 37,988.73/x
  3. Step 3: Cross multiply
    66,283.02x = 91,470.60 × 37,988.73
  4. Step 4: Simplify right side
    66,283.02x = 3,474,851,926.34
  5. Step 5: Solve for x
    x = 3,474,851,926.34/66,283.02
  6. Step 6: Final answer
    x = 52,424.47

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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.