Home / 92,818.32-128,089.34-50,376.85

Finding the Fourth Proportional to 92,818.32, 128,089.34 and 50,376.85

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Solution

The fourth proportional to 92,818.32, 128,089.34 and 50,376.85 is: 69,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.32 : 128,089.34 = 50,376.85 : x
  2. Step 2: Convert to fraction form
    92,818.32/128,089.34 = 50,376.85/x
  3. Step 3: Cross multiply
    92,818.32x = 128,089.34 × 50,376.85
  4. Step 4: Simplify right side
    92,818.32x = 6,452,737,084.58
  5. Step 5: Solve for x
    x = 6,452,737,084.58/92,818.32
  6. Step 6: Final answer
    x = 69,520.08

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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.