Home / 104,913.40-157,435.71-42,583.90

Finding the Fourth Proportional to 104,913.40, 157,435.71 and 42,583.90

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Solution

The fourth proportional to 104,913.40, 157,435.71 and 42,583.90 is: 63,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913.40 : 157,435.71 = 42,583.90 : x
  2. Step 2: Convert to fraction form
    104,913.40/157,435.71 = 42,583.90/x
  3. Step 3: Cross multiply
    104,913.40x = 157,435.71 × 42,583.90
  4. Step 4: Simplify right side
    104,913.40x = 6,704,226,531.07
  5. Step 5: Solve for x
    x = 6,704,226,531.07/104,913.40
  6. Step 6: Final answer
    x = 63,902.48

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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.