Home / 109,702.24-151,389.20-59,401.12

Finding the Fourth Proportional to 109,702.24, 151,389.20 and 59,401.12

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Solution

The fourth proportional to 109,702.24, 151,389.20 and 59,401.12 is: 81,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,702.24 : 151,389.20 = 59,401.12 : x
  2. Step 2: Convert to fraction form
    109,702.24/151,389.20 = 59,401.12/x
  3. Step 3: Cross multiply
    109,702.24x = 151,389.20 × 59,401.12
  4. Step 4: Simplify right side
    109,702.24x = 8,992,688,035.90
  5. Step 5: Solve for x
    x = 8,992,688,035.90/109,702.24
  6. Step 6: Final answer
    x = 81,973.60

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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.