Home / 124,557.16-171,883.62-70,834.68

Finding the Fourth Proportional to 124,557.16, 171,883.62 and 70,834.68

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Solution

The fourth proportional to 124,557.16, 171,883.62 and 70,834.68 is: 97,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,557.16 : 171,883.62 = 70,834.68 : x
  2. Step 2: Convert to fraction form
    124,557.16/171,883.62 = 70,834.68/x
  3. Step 3: Cross multiply
    124,557.16x = 171,883.62 × 70,834.68
  4. Step 4: Simplify right side
    124,557.16x = 12,175,321,219.94
  5. Step 5: Solve for x
    x = 12,175,321,219.94/124,557.16
  6. Step 6: Final answer
    x = 97,748.87

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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.