Home / 117,455.23-162,088.32-63,740.24

Finding the Fourth Proportional to 117,455.23, 162,088.32 and 63,740.24

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Solution

The fourth proportional to 117,455.23, 162,088.32 and 63,740.24 is: 87,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,455.23 : 162,088.32 = 63,740.24 : x
  2. Step 2: Convert to fraction form
    117,455.23/162,088.32 = 63,740.24/x
  3. Step 3: Cross multiply
    117,455.23x = 162,088.32 × 63,740.24
  4. Step 4: Simplify right side
    117,455.23x = 10,331,548,372.48
  5. Step 5: Solve for x
    x = 10,331,548,372.48/117,455.23
  6. Step 6: Final answer
    x = 87,961.59

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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.