Home / 64,887.96-97,332.03-18,140.79

Finding the Fourth Proportional to 64,887.96, 97,332.03 and 18,140.79

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Solution

The fourth proportional to 64,887.96, 97,332.03 and 18,140.79 is: 27,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,887.96 : 97,332.03 = 18,140.79 : x
  2. Step 2: Convert to fraction form
    64,887.96/97,332.03 = 18,140.79/x
  3. Step 3: Cross multiply
    64,887.96x = 97,332.03 × 18,140.79
  4. Step 4: Simplify right side
    64,887.96x = 1,765,679,916.50
  5. Step 5: Solve for x
    x = 1,765,679,916.50/64,887.96
  6. Step 6: Final answer
    x = 27,211.21

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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.