Home / 122,408.24-168,875.16-70,697.84

Finding the Fourth Proportional to 122,408.24, 168,875.16 and 70,697.84

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Solution

The fourth proportional to 122,408.24, 168,875.16 and 70,697.84 is: 97,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,408.24 : 168,875.16 = 70,697.84 : x
  2. Step 2: Convert to fraction form
    122,408.24/168,875.16 = 70,697.84/x
  3. Step 3: Cross multiply
    122,408.24x = 168,875.16 × 70,697.84
  4. Step 4: Simplify right side
    122,408.24x = 11,939,109,041.65
  5. Step 5: Solve for x
    x = 11,939,109,041.65/122,408.24
  6. Step 6: Final answer
    x = 97,535.17

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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.