Home / 92,818.04-128,088.98-50,376.56

Finding the Fourth Proportional to 92,818.04, 128,088.98 and 50,376.56

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Solution

The fourth proportional to 92,818.04, 128,088.98 and 50,376.56 is: 69,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.04 : 128,088.98 = 50,376.56 : x
  2. Step 2: Convert to fraction form
    92,818.04/128,088.98 = 50,376.56/x
  3. Step 3: Cross multiply
    92,818.04x = 128,088.98 × 50,376.56
  4. Step 4: Simplify right side
    92,818.04x = 6,452,682,186.31
  5. Step 5: Solve for x
    x = 6,452,682,186.31/92,818.04
  6. Step 6: Final answer
    x = 69,519.70

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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.