Home / 117,071.66-161,557.62-63,355.52

Finding the Fourth Proportional to 117,071.66, 161,557.62 and 63,355.52

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Solution

The fourth proportional to 117,071.66, 161,557.62 and 63,355.52 is: 87,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,071.66 : 161,557.62 = 63,355.52 : x
  2. Step 2: Convert to fraction form
    117,071.66/161,557.62 = 63,355.52/x
  3. Step 3: Cross multiply
    117,071.66x = 161,557.62 × 63,355.52
  4. Step 4: Simplify right side
    117,071.66x = 10,235,567,025.06
  5. Step 5: Solve for x
    x = 10,235,567,025.06/117,071.66
  6. Step 6: Final answer
    x = 87,429.93

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1.5x scale

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.