Home / 109,668.15-151,342.53-59,367.15

Finding the Fourth Proportional to 109,668.15, 151,342.53 and 59,367.15

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Solution

The fourth proportional to 109,668.15, 151,342.53 and 59,367.15 is: 81,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,668.15 : 151,342.53 = 59,367.15 : x
  2. Step 2: Convert to fraction form
    109,668.15/151,342.53 = 59,367.15/x
  3. Step 3: Cross multiply
    109,668.15x = 151,342.53 × 59,367.15
  4. Step 4: Simplify right side
    109,668.15x = 8,984,774,679.89
  5. Step 5: Solve for x
    x = 8,984,774,679.89/109,668.15
  6. Step 6: Final answer
    x = 81,926.93

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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.