Home / 78,455.74-108,296.68-46,624.26

Finding the Fourth Proportional to 78,455.74, 108,296.68 and 46,624.26

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Solution

The fourth proportional to 78,455.74, 108,296.68 and 46,624.26 is: 64,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,455.74 : 108,296.68 = 46,624.26 : x
  2. Step 2: Convert to fraction form
    78,455.74/108,296.68 = 46,624.26/x
  3. Step 3: Cross multiply
    78,455.74x = 108,296.68 × 46,624.26
  4. Step 4: Simplify right side
    78,455.74x = 5,049,252,565.46
  5. Step 5: Solve for x
    x = 5,049,252,565.46/78,455.74
  6. Step 6: Final answer
    x = 64,357.98

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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.