Home / 78,746.30-108,671.37-46,933.65

Finding the Fourth Proportional to 78,746.30, 108,671.37 and 46,933.65

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Solution

The fourth proportional to 78,746.30, 108,671.37 and 46,933.65 is: 64,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,746.30 : 108,671.37 = 46,933.65 : x
  2. Step 2: Convert to fraction form
    78,746.30/108,671.37 = 46,933.65/x
  3. Step 3: Cross multiply
    78,746.30x = 108,671.37 × 46,933.65
  4. Step 4: Simplify right side
    78,746.30x = 5,100,344,044.60
  5. Step 5: Solve for x
    x = 5,100,344,044.60/78,746.30
  6. Step 6: Final answer
    x = 64,769.32

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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.