Home / 58,078.08-87,096.18-20,117.07

Finding the Fourth Proportional to 58,078.08, 87,096.18 and 20,117.07

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Solution

The fourth proportional to 58,078.08, 87,096.18 and 20,117.07 is: 30,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,078.08 : 87,096.18 = 20,117.07 : x
  2. Step 2: Convert to fraction form
    58,078.08/87,096.18 = 20,117.07/x
  3. Step 3: Cross multiply
    58,078.08x = 87,096.18 × 20,117.07
  4. Step 4: Simplify right side
    58,078.08x = 1,752,119,949.79
  5. Step 5: Solve for x
    x = 1,752,119,949.79/58,078.08
  6. Step 6: Final answer
    x = 30,168.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.