Home / 77,646.11-116,499.40-30,903.71

Finding the Fourth Proportional to 77,646.11, 116,499.40 and 30,903.71

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Solution

The fourth proportional to 77,646.11, 116,499.40 and 30,903.71 is: 46,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,646.11 : 116,499.40 = 30,903.71 : x
  2. Step 2: Convert to fraction form
    77,646.11/116,499.40 = 30,903.71/x
  3. Step 3: Cross multiply
    77,646.11x = 116,499.40 × 30,903.71
  4. Step 4: Simplify right side
    77,646.11x = 3,600,263,013.02
  5. Step 5: Solve for x
    x = 3,600,263,013.02/77,646.11
  6. Step 6: Final answer
    x = 46,367.59

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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.