Home / 117,124.12-161,631.25-63,409.10

Finding the Fourth Proportional to 117,124.12, 161,631.25 and 63,409.10

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Solution

The fourth proportional to 117,124.12, 161,631.25 and 63,409.10 is: 87,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,124.12 : 161,631.25 = 63,409.10 : x
  2. Step 2: Convert to fraction form
    117,124.12/161,631.25 = 63,409.10/x
  3. Step 3: Cross multiply
    117,124.12x = 161,631.25 × 63,409.10
  4. Step 4: Simplify right side
    117,124.12x = 10,248,892,094.38
  5. Step 5: Solve for x
    x = 10,248,892,094.38/117,124.12
  6. Step 6: Final answer
    x = 87,504.54

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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.