Home / 78,549.60-108,383.52-46,726.56

Finding the Fourth Proportional to 78,549.60, 108,383.52 and 46,726.56

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Solution

The fourth proportional to 78,549.60, 108,383.52 and 46,726.56 is: 64,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,549.60 : 108,383.52 = 46,726.56 : x
  2. Step 2: Convert to fraction form
    78,549.60/108,383.52 = 46,726.56/x
  3. Step 3: Cross multiply
    78,549.60x = 108,383.52 × 46,726.56
  4. Step 4: Simplify right side
    78,549.60x = 5,064,389,050.29
  5. Step 5: Solve for x
    x = 5,064,389,050.29/78,549.60
  6. Step 6: Final answer
    x = 64,473.77

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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.