Home / 109,449.07-151,039.80-59,148.07

Finding the Fourth Proportional to 109,449.07, 151,039.80 and 59,148.07

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Solution

The fourth proportional to 109,449.07, 151,039.80 and 59,148.07 is: 81,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,449.07 : 151,039.80 = 59,148.07 : x
  2. Step 2: Convert to fraction form
    109,449.07/151,039.80 = 59,148.07/x
  3. Step 3: Cross multiply
    109,449.07x = 151,039.80 × 59,148.07
  4. Step 4: Simplify right side
    109,449.07x = 8,933,712,663.19
  5. Step 5: Solve for x
    x = 8,933,712,663.19/109,449.07
  6. Step 6: Final answer
    x = 81,624.38

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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.