Home / 66,165.04-91,301.34-37,865.26

Finding the Fourth Proportional to 66,165.04, 91,301.34 and 37,865.26

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Solution

The fourth proportional to 66,165.04, 91,301.34 and 37,865.26 is: 52,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,165.04 : 91,301.34 = 37,865.26 : x
  2. Step 2: Convert to fraction form
    66,165.04/91,301.34 = 37,865.26/x
  3. Step 3: Cross multiply
    66,165.04x = 91,301.34 × 37,865.26
  4. Step 4: Simplify right side
    66,165.04x = 3,457,148,977.45
  5. Step 5: Solve for x
    x = 3,457,148,977.45/66,165.04
  6. Step 6: Final answer
    x = 52,250.39

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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.