Home / 92,628.76-127,778.38-56,341.30

Finding the Fourth Proportional to 92,628.76, 127,778.38 and 56,341.30

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Solution

The fourth proportional to 92,628.76, 127,778.38 and 56,341.30 is: 77,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,628.76 : 127,778.38 = 56,341.30 : x
  2. Step 2: Convert to fraction form
    92,628.76/127,778.38 = 56,341.30/x
  3. Step 3: Cross multiply
    92,628.76x = 127,778.38 × 56,341.30
  4. Step 4: Simplify right side
    92,628.76x = 7,199,200,388.44
  5. Step 5: Solve for x
    x = 7,199,200,388.44/92,628.76
  6. Step 6: Final answer
    x = 77,721.01

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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.