Home / 93,347.21-128,815.71-50,904.83

Finding the Fourth Proportional to 93,347.21, 128,815.71 and 50,904.83

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Solution

The fourth proportional to 93,347.21, 128,815.71 and 50,904.83 is: 70,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,347.21 : 128,815.71 = 50,904.83 : x
  2. Step 2: Convert to fraction form
    93,347.21/128,815.71 = 50,904.83/x
  3. Step 3: Cross multiply
    93,347.21x = 128,815.71 × 50,904.83
  4. Step 4: Simplify right side
    93,347.21x = 6,557,341,174.80
  5. Step 5: Solve for x
    x = 6,557,341,174.80/93,347.21
  6. Step 6: Final answer
    x = 70,246.79

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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.