Home / 112,299.90-154,967.22-61,302.48

Finding the Fourth Proportional to 112,299.90, 154,967.22 and 61,302.48

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Solution

The fourth proportional to 112,299.90, 154,967.22 and 61,302.48 is: 84,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,299.90 : 154,967.22 = 61,302.48 : x
  2. Step 2: Convert to fraction form
    112,299.90/154,967.22 = 61,302.48/x
  3. Step 3: Cross multiply
    112,299.90x = 154,967.22 × 61,302.48
  4. Step 4: Simplify right side
    112,299.90x = 9,499,874,904.71
  5. Step 5: Solve for x
    x = 9,499,874,904.71/112,299.90
  6. Step 6: Final answer
    x = 84,593.80

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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.