Home / 113,790.30-157,027.35-63,488.22

Finding the Fourth Proportional to 113,790.30, 157,027.35 and 63,488.22

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Solution

The fourth proportional to 113,790.30, 157,027.35 and 63,488.22 is: 87,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,790.30 : 157,027.35 = 63,488.22 : x
  2. Step 2: Convert to fraction form
    113,790.30/157,027.35 = 63,488.22/x
  3. Step 3: Cross multiply
    113,790.30x = 157,027.35 × 63,488.22
  4. Step 4: Simplify right side
    113,790.30x = 9,969,386,942.82
  5. Step 5: Solve for x
    x = 9,969,386,942.82/113,790.30
  6. Step 6: Final answer
    x = 87,611.92

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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.