Home / 107,426.70-161,172.45-57,530.70

Finding the Fourth Proportional to 107,426.70, 161,172.45 and 57,530.70

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Solution

The fourth proportional to 107,426.70, 161,172.45 and 57,530.70 is: 86,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,426.70 : 161,172.45 = 57,530.70 : x
  2. Step 2: Convert to fraction form
    107,426.70/161,172.45 = 57,530.70/x
  3. Step 3: Cross multiply
    107,426.70x = 161,172.45 × 57,530.70
  4. Step 4: Simplify right side
    107,426.70x = 9,272,363,869.22
  5. Step 5: Solve for x
    x = 9,272,363,869.22/107,426.70
  6. Step 6: Final answer
    x = 86,313.40

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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.