Home / 102,741.58-153,875.85-52,698.70

Finding the Fourth Proportional to 102,741.58, 153,875.85 and 52,698.70

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Solution

The fourth proportional to 102,741.58, 153,875.85 and 52,698.70 is: 78,926.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,741.58 : 153,875.85 = 52,698.70 : x
  2. Step 2: Convert to fraction form
    102,741.58/153,875.85 = 52,698.70/x
  3. Step 3: Cross multiply
    102,741.58x = 153,875.85 × 52,698.70
  4. Step 4: Simplify right side
    102,741.58x = 8,109,057,256.40
  5. Step 5: Solve for x
    x = 8,109,057,256.40/102,741.58
  6. Step 6: Final answer
    x = 78,926.73

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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.