Home / 92,828.28-128,103.16-50,386.84

Finding the Fourth Proportional to 92,828.28, 128,103.16 and 50,386.84

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Solution

The fourth proportional to 92,828.28, 128,103.16 and 50,386.84 is: 69,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,828.28 : 128,103.16 = 50,386.84 : x
  2. Step 2: Convert to fraction form
    92,828.28/128,103.16 = 50,386.84/x
  3. Step 3: Cross multiply
    92,828.28x = 128,103.16 × 50,386.84
  4. Step 4: Simplify right side
    92,828.28x = 6,454,713,426.41
  5. Step 5: Solve for x
    x = 6,454,713,426.41/92,828.28
  6. Step 6: Final answer
    x = 69,533.91

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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.