Home / 109,702.56-151,390.26-59,401.56

Finding the Fourth Proportional to 109,702.56, 151,390.26 and 59,401.56

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Solution

The fourth proportional to 109,702.56, 151,390.26 and 59,401.56 is: 81,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,702.56 : 151,390.26 = 59,401.56 : x
  2. Step 2: Convert to fraction form
    109,702.56/151,390.26 = 59,401.56/x
  3. Step 3: Cross multiply
    109,702.56x = 151,390.26 × 59,401.56
  4. Step 4: Simplify right side
    109,702.56x = 8,992,817,612.81
  5. Step 5: Solve for x
    x = 8,992,817,612.81/109,702.56
  6. Step 6: Final answer
    x = 81,974.55

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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.