Home / 78,544.25-108,390.23-46,712.45

Finding the Fourth Proportional to 78,544.25, 108,390.23 and 46,712.45

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Solution

The fourth proportional to 78,544.25, 108,390.23 and 46,712.45 is: 64,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544.25 : 108,390.23 = 46,712.45 : x
  2. Step 2: Convert to fraction form
    78,544.25/108,390.23 = 46,712.45/x
  3. Step 3: Cross multiply
    78,544.25x = 108,390.23 × 46,712.45
  4. Step 4: Simplify right side
    78,544.25x = 5,063,172,965.80
  5. Step 5: Solve for x
    x = 5,063,172,965.80/78,544.25
  6. Step 6: Final answer
    x = 64,462.68

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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.