Home / 97,220.40-145,812.60-27,085.20

Finding the Fourth Proportional to 97,220.40, 145,812.60 and 27,085.20

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Solution

The fourth proportional to 97,220.40, 145,812.60 and 27,085.20 is: 40,622.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,220.40 : 145,812.60 = 27,085.20 : x
  2. Step 2: Convert to fraction form
    97,220.40/145,812.60 = 27,085.20/x
  3. Step 3: Cross multiply
    97,220.40x = 145,812.60 × 27,085.20
  4. Step 4: Simplify right side
    97,220.40x = 3,949,363,433.52
  5. Step 5: Solve for x
    x = 3,949,363,433.52/97,220.40
  6. Step 6: Final answer
    x = 40,622.79

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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.