Home / 107,633.40-161,507.70-48,478.20

Finding the Fourth Proportional to 107,633.40, 161,507.70 and 48,478.20

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Solution

The fourth proportional to 107,633.40, 161,507.70 and 48,478.20 is: 72,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,633.40 : 161,507.70 = 48,478.20 : x
  2. Step 2: Convert to fraction form
    107,633.40/161,507.70 = 48,478.20/x
  3. Step 3: Cross multiply
    107,633.40x = 161,507.70 × 48,478.20
  4. Step 4: Simplify right side
    107,633.40x = 7,829,602,582.14
  5. Step 5: Solve for x
    x = 7,829,602,582.14/107,633.40
  6. Step 6: Final answer
    x = 72,743.24

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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.