Home / 92,971.56-128,272.26-52,678.92

Finding the Fourth Proportional to 92,971.56, 128,272.26 and 52,678.92

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Solution

The fourth proportional to 92,971.56, 128,272.26 and 52,678.92 is: 72,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,971.56 : 128,272.26 = 52,678.92 : x
  2. Step 2: Convert to fraction form
    92,971.56/128,272.26 = 52,678.92/x
  3. Step 3: Cross multiply
    92,971.56x = 128,272.26 × 52,678.92
  4. Step 4: Simplify right side
    92,971.56x = 6,757,244,122.76
  5. Step 5: Solve for x
    x = 6,757,244,122.76/92,971.56
  6. Step 6: Final answer
    x = 72,680.77

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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.