Home / 92,818.51-128,088.79-50,377.04

Finding the Fourth Proportional to 92,818.51, 128,088.79 and 50,377.04

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Solution

The fourth proportional to 92,818.51, 128,088.79 and 50,377.04 is: 69,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.51 : 128,088.79 = 50,377.04 : x
  2. Step 2: Convert to fraction form
    92,818.51/128,088.79 = 50,377.04/x
  3. Step 3: Cross multiply
    92,818.51x = 128,088.79 × 50,377.04
  4. Step 4: Simplify right side
    92,818.51x = 6,452,734,094.70
  5. Step 5: Solve for x
    x = 6,452,734,094.70/92,818.51
  6. Step 6: Final answer
    x = 69,519.91

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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.