Home / 98,031.87-135,276.08-55,594.35

Finding the Fourth Proportional to 98,031.87, 135,276.08 and 55,594.35

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Solution

The fourth proportional to 98,031.87, 135,276.08 and 55,594.35 is: 76,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,031.87 : 135,276.08 = 55,594.35 : x
  2. Step 2: Convert to fraction form
    98,031.87/135,276.08 = 55,594.35/x
  3. Step 3: Cross multiply
    98,031.87x = 135,276.08 × 55,594.35
  4. Step 4: Simplify right side
    98,031.87x = 7,520,585,460.18
  5. Step 5: Solve for x
    x = 7,520,585,460.18/98,031.87
  6. Step 6: Final answer
    x = 76,715.72

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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.