Home / 98,776.41-136,311.43-53,454.39

Finding the Fourth Proportional to 98,776.41, 136,311.43 and 53,454.39

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Solution

The fourth proportional to 98,776.41, 136,311.43 and 53,454.39 is: 73,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,776.41 : 136,311.43 = 53,454.39 : x
  2. Step 2: Convert to fraction form
    98,776.41/136,311.43 = 53,454.39/x
  3. Step 3: Cross multiply
    98,776.41x = 136,311.43 × 53,454.39
  4. Step 4: Simplify right side
    98,776.41x = 7,286,443,659.12
  5. Step 5: Solve for x
    x = 7,286,443,659.12/98,776.41
  6. Step 6: Final answer
    x = 73,767.05

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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.