Home / 53,621.78-74,006.93-29,756.12

Finding the Fourth Proportional to 53,621.78, 74,006.93 and 29,756.12

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Solution

The fourth proportional to 53,621.78, 74,006.93 and 29,756.12 is: 41,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.78 : 74,006.93 = 29,756.12 : x
  2. Step 2: Convert to fraction form
    53,621.78/74,006.93 = 29,756.12/x
  3. Step 3: Cross multiply
    53,621.78x = 74,006.93 × 29,756.12
  4. Step 4: Simplify right side
    53,621.78x = 2,202,158,794.27
  5. Step 5: Solve for x
    x = 2,202,158,794.27/53,621.78
  6. Step 6: Final answer
    x = 41,068.37

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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.