Home / 117,938.36-162,749.50-64,223.16

Finding the Fourth Proportional to 117,938.36, 162,749.50 and 64,223.16

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Solution

The fourth proportional to 117,938.36, 162,749.50 and 64,223.16 is: 88,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,938.36 : 162,749.50 = 64,223.16 : x
  2. Step 2: Convert to fraction form
    117,938.36/162,749.50 = 64,223.16/x
  3. Step 3: Cross multiply
    117,938.36x = 162,749.50 × 64,223.16
  4. Step 4: Simplify right side
    117,938.36x = 10,452,287,178.42
  5. Step 5: Solve for x
    x = 10,452,287,178.42/117,938.36
  6. Step 6: Final answer
    x = 88,625.00

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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.