Home / 117,068.74-161,554.85-63,353.76

Finding the Fourth Proportional to 117,068.74, 161,554.85 and 63,353.76

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Solution

The fourth proportional to 117,068.74, 161,554.85 and 63,353.76 is: 87,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,068.74 : 161,554.85 = 63,353.76 : x
  2. Step 2: Convert to fraction form
    117,068.74/161,554.85 = 63,353.76/x
  3. Step 3: Cross multiply
    117,068.74x = 161,554.85 × 63,353.76
  4. Step 4: Simplify right side
    117,068.74x = 10,235,106,385.96
  5. Step 5: Solve for x
    x = 10,235,106,385.96/117,068.74
  6. Step 6: Final answer
    x = 87,428.18

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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.