Home / 113,312.24-169,987.80-60,707.60

Finding the Fourth Proportional to 113,312.24, 169,987.80 and 60,707.60

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Solution

The fourth proportional to 113,312.24, 169,987.80 and 60,707.60 is: 91,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,312.24 : 169,987.80 = 60,707.60 : x
  2. Step 2: Convert to fraction form
    113,312.24/169,987.80 = 60,707.60/x
  3. Step 3: Cross multiply
    113,312.24x = 169,987.80 × 60,707.60
  4. Step 4: Simplify right side
    113,312.24x = 10,319,551,367.28
  5. Step 5: Solve for x
    x = 10,319,551,367.28/113,312.24
  6. Step 6: Final answer
    x = 91,071.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.