Home / 113,643.41-156,821.67-62,656.07

Finding the Fourth Proportional to 113,643.41, 156,821.67 and 62,656.07

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Solution

The fourth proportional to 113,643.41, 156,821.67 and 62,656.07 is: 86,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,643.41 : 156,821.67 = 62,656.07 : x
  2. Step 2: Convert to fraction form
    113,643.41/156,821.67 = 62,656.07/x
  3. Step 3: Cross multiply
    113,643.41x = 156,821.67 × 62,656.07
  4. Step 4: Simplify right side
    113,643.41x = 9,825,828,748.93
  5. Step 5: Solve for x
    x = 9,825,828,748.93/113,643.41
  6. Step 6: Final answer
    x = 86,461.94

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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.