Home / 109,440.55-151,027.71-61,693.55

Finding the Fourth Proportional to 109,440.55, 151,027.71 and 61,693.55

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Solution

The fourth proportional to 109,440.55, 151,027.71 and 61,693.55 is: 85,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,440.55 : 151,027.71 = 61,693.55 : x
  2. Step 2: Convert to fraction form
    109,440.55/151,027.71 = 61,693.55/x
  3. Step 3: Cross multiply
    109,440.55x = 151,027.71 × 61,693.55
  4. Step 4: Simplify right side
    109,440.55x = 9,317,435,158.14
  5. Step 5: Solve for x
    x = 9,317,435,158.14/109,440.55
  6. Step 6: Final answer
    x = 85,136.95

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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.