Home / 112,291.29-154,955.34-61,293.87

Finding the Fourth Proportional to 112,291.29, 154,955.34 and 61,293.87

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Solution

The fourth proportional to 112,291.29, 154,955.34 and 61,293.87 is: 84,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291.29 : 154,955.34 = 61,293.87 : x
  2. Step 2: Convert to fraction form
    112,291.29/154,955.34 = 61,293.87/x
  3. Step 3: Cross multiply
    112,291.29x = 154,955.34 × 61,293.87
  4. Step 4: Simplify right side
    112,291.29x = 9,497,812,465.77
  5. Step 5: Solve for x
    x = 9,497,812,465.77/112,291.29
  6. Step 6: Final answer
    x = 84,581.92

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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.