Home / 92,828.28-128,103.15-50,386.83

Finding the Fourth Proportional to 92,828.28, 128,103.15 and 50,386.83

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Solution

The fourth proportional to 92,828.28, 128,103.15 and 50,386.83 is: 69,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,828.28 : 128,103.15 = 50,386.83 : x
  2. Step 2: Convert to fraction form
    92,828.28/128,103.15 = 50,386.83/x
  3. Step 3: Cross multiply
    92,828.28x = 128,103.15 × 50,386.83
  4. Step 4: Simplify right side
    92,828.28x = 6,454,711,641.51
  5. Step 5: Solve for x
    x = 6,454,711,641.51/92,828.28
  6. Step 6: Final answer
    x = 69,533.89

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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.