Home / 98,159.49-135,444.24-55,136.93

Finding the Fourth Proportional to 98,159.49, 135,444.24 and 55,136.93

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Solution

The fourth proportional to 98,159.49, 135,444.24 and 55,136.93 is: 76,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,159.49 : 135,444.24 = 55,136.93 : x
  2. Step 2: Convert to fraction form
    98,159.49/135,444.24 = 55,136.93/x
  3. Step 3: Cross multiply
    98,159.49x = 135,444.24 × 55,136.93
  4. Step 4: Simplify right side
    98,159.49x = 7,467,978,902.56
  5. Step 5: Solve for x
    x = 7,467,978,902.56/98,159.49
  6. Step 6: Final answer
    x = 76,080.05

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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.