Home / 104,943.40-157,461.63-55,011.58

Finding the Fourth Proportional to 104,943.40, 157,461.63 and 55,011.58

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Solution

The fourth proportional to 104,943.40, 157,461.63 and 55,011.58 is: 82,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.40 : 157,461.63 = 55,011.58 : x
  2. Step 2: Convert to fraction form
    104,943.40/157,461.63 = 55,011.58/x
  3. Step 3: Cross multiply
    104,943.40x = 157,461.63 × 55,011.58
  4. Step 4: Simplify right side
    104,943.40x = 8,662,213,055.68
  5. Step 5: Solve for x
    x = 8,662,213,055.68/104,943.40
  6. Step 6: Final answer
    x = 82,541.76

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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.