Home / 66,218.41-91,381.01-37,543.50

Finding the Fourth Proportional to 66,218.41, 91,381.01 and 37,543.50

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Solution

The fourth proportional to 66,218.41, 91,381.01 and 37,543.50 is: 51,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,218.41 : 91,381.01 = 37,543.50 : x
  2. Step 2: Convert to fraction form
    66,218.41/91,381.01 = 37,543.50/x
  3. Step 3: Cross multiply
    66,218.41x = 91,381.01 × 37,543.50
  4. Step 4: Simplify right side
    66,218.41x = 3,430,762,972.40
  5. Step 5: Solve for x
    x = 3,430,762,972.40/66,218.41
  6. Step 6: Final answer
    x = 51,809.80

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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.