Home / 77,577.55-116,464.84-65,964.58

Finding the Fourth Proportional to 77,577.55, 116,464.84 and 65,964.58

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Solution

The fourth proportional to 77,577.55, 116,464.84 and 65,964.58 is: 99,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,577.55 : 116,464.84 = 65,964.58 : x
  2. Step 2: Convert to fraction form
    77,577.55/116,464.84 = 65,964.58/x
  3. Step 3: Cross multiply
    77,577.55x = 116,464.84 × 65,964.58
  4. Step 4: Simplify right side
    77,577.55x = 7,682,553,799.29
  5. Step 5: Solve for x
    x = 7,682,553,799.29/77,577.55
  6. Step 6: Final answer
    x = 99,030.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.