Home / 93,231.19-128,658.54-50,789.62

Finding the Fourth Proportional to 93,231.19, 128,658.54 and 50,789.62

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Solution

The fourth proportional to 93,231.19, 128,658.54 and 50,789.62 is: 70,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,231.19 : 128,658.54 = 50,789.62 : x
  2. Step 2: Convert to fraction form
    93,231.19/128,658.54 = 50,789.62/x
  3. Step 3: Cross multiply
    93,231.19x = 128,658.54 × 50,789.62
  4. Step 4: Simplify right side
    93,231.19x = 6,534,518,356.35
  5. Step 5: Solve for x
    x = 6,534,518,356.35/93,231.19
  6. Step 6: Final answer
    x = 70,089.40

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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.