Home / 92,800.54-128,065.10-50,359.08

Finding the Fourth Proportional to 92,800.54, 128,065.10 and 50,359.08

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Solution

The fourth proportional to 92,800.54, 128,065.10 and 50,359.08 is: 69,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,800.54 : 128,065.10 = 50,359.08 : x
  2. Step 2: Convert to fraction form
    92,800.54/128,065.10 = 50,359.08/x
  3. Step 3: Cross multiply
    92,800.54x = 128,065.10 × 50,359.08
  4. Step 4: Simplify right side
    92,800.54x = 6,449,240,616.11
  5. Step 5: Solve for x
    x = 6,449,240,616.11/92,800.54
  6. Step 6: Final answer
    x = 69,495.72

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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.