Home / 117,109.48-161,611.02-63,394.93

Finding the Fourth Proportional to 117,109.48, 161,611.02 and 63,394.93

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Solution

The fourth proportional to 117,109.48, 161,611.02 and 63,394.93 is: 87,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,109.48 : 161,611.02 = 63,394.93 : x
  2. Step 2: Convert to fraction form
    117,109.48/161,611.02 = 63,394.93/x
  3. Step 3: Cross multiply
    117,109.48x = 161,611.02 × 63,394.93
  4. Step 4: Simplify right side
    117,109.48x = 10,245,319,300.13
  5. Step 5: Solve for x
    x = 10,245,319,300.13/117,109.48
  6. Step 6: Final answer
    x = 87,484.97

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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.