Home / 92,780.64-128,037.29-50,339.17

Finding the Fourth Proportional to 92,780.64, 128,037.29 and 50,339.17

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Solution

The fourth proportional to 92,780.64, 128,037.29 and 50,339.17 is: 69,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,780.64 : 128,037.29 = 50,339.17 : x
  2. Step 2: Convert to fraction form
    92,780.64/128,037.29 = 50,339.17/x
  3. Step 3: Cross multiply
    92,780.64x = 128,037.29 × 50,339.17
  4. Step 4: Simplify right side
    92,780.64x = 6,445,290,907.65
  5. Step 5: Solve for x
    x = 6,445,290,907.65/92,780.64
  6. Step 6: Final answer
    x = 69,468.06

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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.