Home / 109,686.48-151,367.40-59,385.48

Finding the Fourth Proportional to 109,686.48, 151,367.40 and 59,385.48

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Solution

The fourth proportional to 109,686.48, 151,367.40 and 59,385.48 is: 81,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,686.48 : 151,367.40 = 59,385.48 : x
  2. Step 2: Convert to fraction form
    109,686.48/151,367.40 = 59,385.48/x
  3. Step 3: Cross multiply
    109,686.48x = 151,367.40 × 59,385.48
  4. Step 4: Simplify right side
    109,686.48x = 8,989,025,705.35
  5. Step 5: Solve for x
    x = 8,989,025,705.35/109,686.48
  6. Step 6: Final answer
    x = 81,951.99

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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.