Home / 99,108.04-136,769.24-56,667.48

Finding the Fourth Proportional to 99,108.04, 136,769.24 and 56,667.48

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Solution

The fourth proportional to 99,108.04, 136,769.24 and 56,667.48 is: 78,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,108.04 : 136,769.24 = 56,667.48 : x
  2. Step 2: Convert to fraction form
    99,108.04/136,769.24 = 56,667.48/x
  3. Step 3: Cross multiply
    99,108.04x = 136,769.24 × 56,667.48
  4. Step 4: Simplify right side
    99,108.04x = 7,750,368,172.32
  5. Step 5: Solve for x
    x = 7,750,368,172.32/99,108.04
  6. Step 6: Final answer
    x = 78,201.21

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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.