Home / 88,010.10-121,453.28-47,723.81

Finding the Fourth Proportional to 88,010.10, 121,453.28 and 47,723.81

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Solution

The fourth proportional to 88,010.10, 121,453.28 and 47,723.81 is: 65,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,010.10 : 121,453.28 = 47,723.81 : x
  2. Step 2: Convert to fraction form
    88,010.10/121,453.28 = 47,723.81/x
  3. Step 3: Cross multiply
    88,010.10x = 121,453.28 × 47,723.81
  4. Step 4: Simplify right side
    88,010.10x = 5,796,212,412.71
  5. Step 5: Solve for x
    x = 5,796,212,412.71/88,010.10
  6. Step 6: Final answer
    x = 65,858.49

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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.