Home / 98,562.96-135,983.88-56,112.48

Finding the Fourth Proportional to 98,562.96, 135,983.88 and 56,112.48

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Solution

The fourth proportional to 98,562.96, 135,983.88 and 56,112.48 is: 77,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,562.96 : 135,983.88 = 56,112.48 : x
  2. Step 2: Convert to fraction form
    98,562.96/135,983.88 = 56,112.48/x
  3. Step 3: Cross multiply
    98,562.96x = 135,983.88 × 56,112.48
  4. Step 4: Simplify right side
    98,562.96x = 7,630,392,746.82
  5. Step 5: Solve for x
    x = 7,630,392,746.82/98,562.96
  6. Step 6: Final answer
    x = 77,416.43

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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.