Home / 109,811.16-151,535.34-59,509.08

Finding the Fourth Proportional to 109,811.16, 151,535.34 and 59,509.08

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Solution

The fourth proportional to 109,811.16, 151,535.34 and 59,509.08 is: 82,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,811.16 : 151,535.34 = 59,509.08 : x
  2. Step 2: Convert to fraction form
    109,811.16/151,535.34 = 59,509.08/x
  3. Step 3: Cross multiply
    109,811.16x = 151,535.34 × 59,509.08
  4. Step 4: Simplify right side
    109,811.16x = 9,017,728,670.89
  5. Step 5: Solve for x
    x = 9,017,728,670.89/109,811.16
  6. Step 6: Final answer
    x = 82,120.33

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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.