Home / 112,533.66-155,290.16-61,536.28

Finding the Fourth Proportional to 112,533.66, 155,290.16 and 61,536.28

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Solution

The fourth proportional to 112,533.66, 155,290.16 and 61,536.28 is: 84,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.66 : 155,290.16 = 61,536.28 : x
  2. Step 2: Convert to fraction form
    112,533.66/155,290.16 = 61,536.28/x
  3. Step 3: Cross multiply
    112,533.66x = 155,290.16 × 61,536.28
  4. Step 4: Simplify right side
    112,533.66x = 9,555,978,767.00
  5. Step 5: Solve for x
    x = 9,555,978,767.00/112,533.66
  6. Step 6: Final answer
    x = 84,916.63

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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.