Home / 89,206.28-133,818.70-30,048.52

Finding the Fourth Proportional to 89,206.28, 133,818.70 and 30,048.52

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Solution

The fourth proportional to 89,206.28, 133,818.70 and 30,048.52 is: 45,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.28 : 133,818.70 = 30,048.52 : x
  2. Step 2: Convert to fraction form
    89,206.28/133,818.70 = 30,048.52/x
  3. Step 3: Cross multiply
    89,206.28x = 133,818.70 × 30,048.52
  4. Step 4: Simplify right side
    89,206.28x = 4,021,053,883.32
  5. Step 5: Solve for x
    x = 4,021,053,883.32/89,206.28
  6. Step 6: Final answer
    x = 45,075.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.