Home / 58,660.91-80,930.84-38,528.70

Finding the Fourth Proportional to 58,660.91, 80,930.84 and 38,528.70

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Solution

The fourth proportional to 58,660.91, 80,930.84 and 38,528.70 is: 53,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,660.91 : 80,930.84 = 38,528.70 : x
  2. Step 2: Convert to fraction form
    58,660.91/80,930.84 = 38,528.70/x
  3. Step 3: Cross multiply
    58,660.91x = 80,930.84 × 38,528.70
  4. Step 4: Simplify right side
    58,660.91x = 3,118,159,862.46
  5. Step 5: Solve for x
    x = 3,118,159,862.46/58,660.91
  6. Step 6: Final answer
    x = 53,155.67

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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.