Home / 124,722.48-172,114.43-70,277.46

Finding the Fourth Proportional to 124,722.48, 172,114.43 and 70,277.46

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Solution

The fourth proportional to 124,722.48, 172,114.43 and 70,277.46 is: 96,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,722.48 : 172,114.43 = 70,277.46 : x
  2. Step 2: Convert to fraction form
    124,722.48/172,114.43 = 70,277.46/x
  3. Step 3: Cross multiply
    124,722.48x = 172,114.43 × 70,277.46
  4. Step 4: Simplify right side
    124,722.48x = 12,095,764,969.75
  5. Step 5: Solve for x
    x = 12,095,764,969.75/124,722.48
  6. Step 6: Final answer
    x = 96,981.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.