Home / 113,819.08-157,063.98-63,521.32

Finding the Fourth Proportional to 113,819.08, 157,063.98 and 63,521.32

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Solution

The fourth proportional to 113,819.08, 157,063.98 and 63,521.32 is: 87,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.08 : 157,063.98 = 63,521.32 : x
  2. Step 2: Convert to fraction form
    113,819.08/157,063.98 = 63,521.32/x
  3. Step 3: Cross multiply
    113,819.08x = 157,063.98 × 63,521.32
  4. Step 4: Simplify right side
    113,819.08x = 9,976,911,334.05
  5. Step 5: Solve for x
    x = 9,976,911,334.05/113,819.08
  6. Step 6: Final answer
    x = 87,655.88

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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.