Home / 113,606.69-156,784.08-62,619.35

Finding the Fourth Proportional to 113,606.69, 156,784.08 and 62,619.35

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Solution

The fourth proportional to 113,606.69, 156,784.08 and 62,619.35 is: 86,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,606.69 : 156,784.08 = 62,619.35 : x
  2. Step 2: Convert to fraction form
    113,606.69/156,784.08 = 62,619.35/x
  3. Step 3: Cross multiply
    113,606.69x = 156,784.08 × 62,619.35
  4. Step 4: Simplify right side
    113,606.69x = 9,817,716,396.03
  5. Step 5: Solve for x
    x = 9,817,716,396.03/113,606.69
  6. Step 6: Final answer
    x = 86,418.47

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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.