Home / 92,818.77-128,089.14-50,377.32

Finding the Fourth Proportional to 92,818.77, 128,089.14 and 50,377.32

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Solution

The fourth proportional to 92,818.77, 128,089.14 and 50,377.32 is: 69,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.77 : 128,089.14 = 50,377.32 : x
  2. Step 2: Convert to fraction form
    92,818.77/128,089.14 = 50,377.32/x
  3. Step 3: Cross multiply
    92,818.77x = 128,089.14 × 50,377.32
  4. Step 4: Simplify right side
    92,818.77x = 6,452,787,594.30
  5. Step 5: Solve for x
    x = 6,452,787,594.30/92,818.77
  6. Step 6: Final answer
    x = 69,520.29

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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.