Home / 92,776.32-128,032.20-50,335.20

Finding the Fourth Proportional to 92,776.32, 128,032.20 and 50,335.20

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Solution

The fourth proportional to 92,776.32, 128,032.20 and 50,335.20 is: 69,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,776.32 : 128,032.20 = 50,335.20 : x
  2. Step 2: Convert to fraction form
    92,776.32/128,032.20 = 50,335.20/x
  3. Step 3: Cross multiply
    92,776.32x = 128,032.20 × 50,335.20
  4. Step 4: Simplify right side
    92,776.32x = 6,444,526,393.44
  5. Step 5: Solve for x
    x = 6,444,526,393.44/92,776.32
  6. Step 6: Final answer
    x = 69,463.05

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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.