Home / 109,441.06-151,028.66-59,140.06

Finding the Fourth Proportional to 109,441.06, 151,028.66 and 59,140.06

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Solution

The fourth proportional to 109,441.06, 151,028.66 and 59,140.06 is: 81,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,441.06 : 151,028.66 = 59,140.06 : x
  2. Step 2: Convert to fraction form
    109,441.06/151,028.66 = 59,140.06/x
  3. Step 3: Cross multiply
    109,441.06x = 151,028.66 × 59,140.06
  4. Step 4: Simplify right side
    109,441.06x = 8,931,843,784.40
  5. Step 5: Solve for x
    x = 8,931,843,784.40/109,441.06
  6. Step 6: Final answer
    x = 81,613.28

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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.