Home / 66,459.34-91,719.35-37,788.00

Finding the Fourth Proportional to 66,459.34, 91,719.35 and 37,788.00

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Solution

The fourth proportional to 66,459.34, 91,719.35 and 37,788.00 is: 52,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,459.34 : 91,719.35 = 37,788.00 : x
  2. Step 2: Convert to fraction form
    66,459.34/91,719.35 = 37,788.00/x
  3. Step 3: Cross multiply
    66,459.34x = 91,719.35 × 37,788.00
  4. Step 4: Simplify right side
    66,459.34x = 3,465,891,135.10
  5. Step 5: Solve for x
    x = 3,465,891,135.10/66,459.34
  6. Step 6: Final answer
    x = 52,150.55

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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.