Home / 122,373.36-168,872.58-70,690.50

Finding the Fourth Proportional to 122,373.36, 168,872.58 and 70,690.50

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Solution

The fourth proportional to 122,373.36, 168,872.58 and 70,690.50 is: 97,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,373.36 : 168,872.58 = 70,690.50 : x
  2. Step 2: Convert to fraction form
    122,373.36/168,872.58 = 70,690.50/x
  3. Step 3: Cross multiply
    122,373.36x = 168,872.58 × 70,690.50
  4. Step 4: Simplify right side
    122,373.36x = 11,937,687,116.49
  5. Step 5: Solve for x
    x = 11,937,687,116.49/122,373.36
  6. Step 6: Final answer
    x = 97,551.36

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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.