Home / 98,284.19-135,628.16-55,262.45

Finding the Fourth Proportional to 98,284.19, 135,628.16 and 55,262.45

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Solution

The fourth proportional to 98,284.19, 135,628.16 and 55,262.45 is: 76,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,284.19 : 135,628.16 = 55,262.45 : x
  2. Step 2: Convert to fraction form
    98,284.19/135,628.16 = 55,262.45/x
  3. Step 3: Cross multiply
    98,284.19x = 135,628.16 × 55,262.45
  4. Step 4: Simplify right side
    98,284.19x = 7,495,144,473.35
  5. Step 5: Solve for x
    x = 7,495,144,473.35/98,284.19
  6. Step 6: Final answer
    x = 76,259.92

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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.