Home / 98,542.49-135,988.60-53,220.48

Finding the Fourth Proportional to 98,542.49, 135,988.60 and 53,220.48

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Solution

The fourth proportional to 98,542.49, 135,988.60 and 53,220.48 is: 73,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,542.49 : 135,988.60 = 53,220.48 : x
  2. Step 2: Convert to fraction form
    98,542.49/135,988.60 = 53,220.48/x
  3. Step 3: Cross multiply
    98,542.49x = 135,988.60 × 53,220.48
  4. Step 4: Simplify right side
    98,542.49x = 7,237,378,566.53
  5. Step 5: Solve for x
    x = 7,237,378,566.53/98,542.49
  6. Step 6: Final answer
    x = 73,444.24

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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.