Home / 117,829.19-162,603.55-64,114.40

Finding the Fourth Proportional to 117,829.19, 162,603.55 and 64,114.40

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Solution

The fourth proportional to 117,829.19, 162,603.55 and 64,114.40 is: 88,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,829.19 : 162,603.55 = 64,114.40 : x
  2. Step 2: Convert to fraction form
    117,829.19/162,603.55 = 64,114.40/x
  3. Step 3: Cross multiply
    117,829.19x = 162,603.55 × 64,114.40
  4. Step 4: Simplify right side
    117,829.19x = 10,425,229,046.12
  5. Step 5: Solve for x
    x = 10,425,229,046.12/117,829.19
  6. Step 6: Final answer
    x = 88,477.47

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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.