Home / 64,887.46-97,331.28-18,140.29

Finding the Fourth Proportional to 64,887.46, 97,331.28 and 18,140.29

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Solution

The fourth proportional to 64,887.46, 97,331.28 and 18,140.29 is: 27,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,887.46 : 97,331.28 = 18,140.29 : x
  2. Step 2: Convert to fraction form
    64,887.46/97,331.28 = 18,140.29/x
  3. Step 3: Cross multiply
    64,887.46x = 97,331.28 × 18,140.29
  4. Step 4: Simplify right side
    64,887.46x = 1,765,617,645.27
  5. Step 5: Solve for x
    x = 1,765,617,645.27/64,887.46
  6. Step 6: Final answer
    x = 27,210.46

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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.