Home / 92,800.17-128,064.57-50,358.70

Finding the Fourth Proportional to 92,800.17, 128,064.57 and 50,358.70

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Solution

The fourth proportional to 92,800.17, 128,064.57 and 50,358.70 is: 69,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,800.17 : 128,064.57 = 50,358.70 : x
  2. Step 2: Convert to fraction form
    92,800.17/128,064.57 = 50,358.70/x
  3. Step 3: Cross multiply
    92,800.17x = 128,064.57 × 50,358.70
  4. Step 4: Simplify right side
    92,800.17x = 6,449,165,261.26
  5. Step 5: Solve for x
    x = 6,449,165,261.26/92,800.17
  6. Step 6: Final answer
    x = 69,495.19

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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.