Home / 74,588.80-112,291.48-68,056.96

Finding the Fourth Proportional to 74,588.80, 112,291.48 and 68,056.96

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Solution

The fourth proportional to 74,588.80, 112,291.48 and 68,056.96 is: 102,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,588.80 : 112,291.48 = 68,056.96 : x
  2. Step 2: Convert to fraction form
    74,588.80/112,291.48 = 68,056.96/x
  3. Step 3: Cross multiply
    74,588.80x = 112,291.48 × 68,056.96
  4. Step 4: Simplify right side
    74,588.80x = 7,642,216,762.70
  5. Step 5: Solve for x
    x = 7,642,216,762.70/74,588.80
  6. Step 6: Final answer
    x = 102,457.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.