Home / 109,809.64-151,537.29-59,508.64

Finding the Fourth Proportional to 109,809.64, 151,537.29 and 59,508.64

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Solution

The fourth proportional to 109,809.64, 151,537.29 and 59,508.64 is: 82,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,809.64 : 151,537.29 = 59,508.64 : x
  2. Step 2: Convert to fraction form
    109,809.64/151,537.29 = 59,508.64/x
  3. Step 3: Cross multiply
    109,809.64x = 151,537.29 × 59,508.64
  4. Step 4: Simplify right side
    109,809.64x = 9,017,778,037.19
  5. Step 5: Solve for x
    x = 9,017,778,037.19/109,809.64
  6. Step 6: Final answer
    x = 82,121.92

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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.