Home / 105,159.36-157,713.08-48,946.17

Finding the Fourth Proportional to 105,159.36, 157,713.08 and 48,946.17

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Solution

The fourth proportional to 105,159.36, 157,713.08 and 48,946.17 is: 73,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,159.36 : 157,713.08 = 48,946.17 : x
  2. Step 2: Convert to fraction form
    105,159.36/157,713.08 = 48,946.17/x
  3. Step 3: Cross multiply
    105,159.36x = 157,713.08 × 48,946.17
  4. Step 4: Simplify right side
    105,159.36x = 7,719,451,571.60
  5. Step 5: Solve for x
    x = 7,719,451,571.60/105,159.36
  6. Step 6: Final answer
    x = 73,407.17

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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.