Home / 117,034.74-161,507.95-63,319.72

Finding the Fourth Proportional to 117,034.74, 161,507.95 and 63,319.72

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Solution

The fourth proportional to 117,034.74, 161,507.95 and 63,319.72 is: 87,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,034.74 : 161,507.95 = 63,319.72 : x
  2. Step 2: Convert to fraction form
    117,034.74/161,507.95 = 63,319.72/x
  3. Step 3: Cross multiply
    117,034.74x = 161,507.95 × 63,319.72
  4. Step 4: Simplify right side
    117,034.74x = 10,226,638,171.77
  5. Step 5: Solve for x
    x = 10,226,638,171.77/117,034.74
  6. Step 6: Final answer
    x = 87,381.22

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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.