Home / 112,533.30-155,289.69-61,535.88

Finding the Fourth Proportional to 112,533.30, 155,289.69 and 61,535.88

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Solution

The fourth proportional to 112,533.30, 155,289.69 and 61,535.88 is: 84,916.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.30 : 155,289.69 = 61,535.88 : x
  2. Step 2: Convert to fraction form
    112,533.30/155,289.69 = 61,535.88/x
  3. Step 3: Cross multiply
    112,533.30x = 155,289.69 × 61,535.88
  4. Step 4: Simplify right side
    112,533.30x = 9,555,887,729.08
  5. Step 5: Solve for x
    x = 9,555,887,729.08/112,533.30
  6. Step 6: Final answer
    x = 84,916.09

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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.