Home / 109,715.08-164,572.60-38,620.97

Finding the Fourth Proportional to 109,715.08, 164,572.60 and 38,620.97

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Solution

The fourth proportional to 109,715.08, 164,572.60 and 38,620.97 is: 57,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,715.08 : 164,572.60 = 38,620.97 : x
  2. Step 2: Convert to fraction form
    109,715.08/164,572.60 = 38,620.97/x
  3. Step 3: Cross multiply
    109,715.08x = 164,572.60 × 38,620.97
  4. Step 4: Simplify right side
    109,715.08x = 6,355,953,762.30
  5. Step 5: Solve for x
    x = 6,355,953,762.30/109,715.08
  6. Step 6: Final answer
    x = 57,931.45

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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.