Home / 78,417.41-108,216.47-46,153.24

Finding the Fourth Proportional to 78,417.41, 108,216.47 and 46,153.24

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Solution

The fourth proportional to 78,417.41, 108,216.47 and 46,153.24 is: 63,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,417.41 : 108,216.47 = 46,153.24 : x
  2. Step 2: Convert to fraction form
    78,417.41/108,216.47 = 46,153.24/x
  3. Step 3: Cross multiply
    78,417.41x = 108,216.47 × 46,153.24
  4. Step 4: Simplify right side
    78,417.41x = 4,994,540,170.78
  5. Step 5: Solve for x
    x = 4,994,540,170.78/78,417.41
  6. Step 6: Final answer
    x = 63,691.73

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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.