Home / 78,431.48-108,251.15-46,594.22

Finding the Fourth Proportional to 78,431.48, 108,251.15 and 46,594.22

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Solution

The fourth proportional to 78,431.48, 108,251.15 and 46,594.22 is: 64,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,431.48 : 108,251.15 = 46,594.22 : x
  2. Step 2: Convert to fraction form
    78,431.48/108,251.15 = 46,594.22/x
  3. Step 3: Cross multiply
    78,431.48x = 108,251.15 × 46,594.22
  4. Step 4: Simplify right side
    78,431.48x = 5,043,877,124.13
  5. Step 5: Solve for x
    x = 5,043,877,124.13/78,431.48
  6. Step 6: Final answer
    x = 64,309.35

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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.