Home / 92,800.11-128,064.51-50,358.65

Finding the Fourth Proportional to 92,800.11, 128,064.51 and 50,358.65

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Solution

The fourth proportional to 92,800.11, 128,064.51 and 50,358.65 is: 69,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,800.11 : 128,064.51 = 50,358.65 : x
  2. Step 2: Convert to fraction form
    92,800.11/128,064.51 = 50,358.65/x
  3. Step 3: Cross multiply
    92,800.11x = 128,064.51 × 50,358.65
  4. Step 4: Simplify right side
    92,800.11x = 6,449,156,156.67
  5. Step 5: Solve for x
    x = 6,449,156,156.67/92,800.11
  6. Step 6: Final answer
    x = 69,495.13

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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.