Home / 53,696.16-74,105.28-29,826.72

Finding the Fourth Proportional to 53,696.16, 74,105.28 and 29,826.72

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Solution

The fourth proportional to 53,696.16, 74,105.28 and 29,826.72 is: 41,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,696.16 : 74,105.28 = 29,826.72 : x
  2. Step 2: Convert to fraction form
    53,696.16/74,105.28 = 29,826.72/x
  3. Step 3: Cross multiply
    53,696.16x = 74,105.28 × 29,826.72
  4. Step 4: Simplify right side
    53,696.16x = 2,210,317,437.08
  5. Step 5: Solve for x
    x = 2,210,317,437.08/53,696.16
  6. Step 6: Final answer
    x = 41,163.42

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1.5x scale

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.