Home / 117,666.36-162,403.16-69,910.47

Finding the Fourth Proportional to 117,666.36, 162,403.16 and 69,910.47

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Solution

The fourth proportional to 117,666.36, 162,403.16 and 69,910.47 is: 96,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.36 : 162,403.16 = 69,910.47 : x
  2. Step 2: Convert to fraction form
    117,666.36/162,403.16 = 69,910.47/x
  3. Step 3: Cross multiply
    117,666.36x = 162,403.16 × 69,910.47
  4. Step 4: Simplify right side
    117,666.36x = 11,353,680,895.53
  5. Step 5: Solve for x
    x = 11,353,680,895.53/117,666.36
  6. Step 6: Final answer
    x = 96,490.46

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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.