Home / 104,742.15-157,119.71-52,098.63

Finding the Fourth Proportional to 104,742.15, 157,119.71 and 52,098.63

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Solution

The fourth proportional to 104,742.15, 157,119.71 and 52,098.63 is: 78,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,742.15 : 157,119.71 = 52,098.63 : x
  2. Step 2: Convert to fraction form
    104,742.15/157,119.71 = 52,098.63/x
  3. Step 3: Cross multiply
    104,742.15x = 157,119.71 × 52,098.63
  4. Step 4: Simplify right side
    104,742.15x = 8,185,721,376.50
  5. Step 5: Solve for x
    x = 8,185,721,376.50/104,742.15
  6. Step 6: Final answer
    x = 78,151.17

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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.