Home / 98,528.43-135,920.52-58,222.70

Finding the Fourth Proportional to 98,528.43, 135,920.52 and 58,222.70

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Solution

The fourth proportional to 98,528.43, 135,920.52 and 58,222.70 is: 80,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,528.43 : 135,920.52 = 58,222.70 : x
  2. Step 2: Convert to fraction form
    98,528.43/135,920.52 = 58,222.70/x
  3. Step 3: Cross multiply
    98,528.43x = 135,920.52 × 58,222.70
  4. Step 4: Simplify right side
    98,528.43x = 7,913,658,980.20
  5. Step 5: Solve for x
    x = 7,913,658,980.20/98,528.43
  6. Step 6: Final answer
    x = 80,318.53

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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.