Home / 107,814.16-161,653.36-32,909.40

Finding the Fourth Proportional to 107,814.16, 161,653.36 and 32,909.40

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Solution

The fourth proportional to 107,814.16, 161,653.36 and 32,909.40 is: 49,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,814.16 : 161,653.36 = 32,909.40 : x
  2. Step 2: Convert to fraction form
    107,814.16/161,653.36 = 32,909.40/x
  3. Step 3: Cross multiply
    107,814.16x = 161,653.36 × 32,909.40
  4. Step 4: Simplify right side
    107,814.16x = 5,319,915,085.58
  5. Step 5: Solve for x
    x = 5,319,915,085.58/107,814.16
  6. Step 6: Final answer
    x = 49,343.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.