Home / 115,666.60-159,558.36-70,358.44

Finding the Fourth Proportional to 115,666.60, 159,558.36 and 70,358.44

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Solution

The fourth proportional to 115,666.60, 159,558.36 and 70,358.44 is: 97,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,666.60 : 159,558.36 = 70,358.44 : x
  2. Step 2: Convert to fraction form
    115,666.60/159,558.36 = 70,358.44/x
  3. Step 3: Cross multiply
    115,666.60x = 159,558.36 × 70,358.44
  4. Step 4: Simplify right side
    115,666.60x = 11,226,277,298.56
  5. Step 5: Solve for x
    x = 11,226,277,298.56/115,666.60
  6. Step 6: Final answer
    x = 97,057.21

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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.