Home / 88,064.54-121,529.75-51,756.24

Finding the Fourth Proportional to 88,064.54, 121,529.75 and 51,756.24

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Solution

The fourth proportional to 88,064.54, 121,529.75 and 51,756.24 is: 71,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,064.54 : 121,529.75 = 51,756.24 : x
  2. Step 2: Convert to fraction form
    88,064.54/121,529.75 = 51,756.24/x
  3. Step 3: Cross multiply
    88,064.54x = 121,529.75 × 51,756.24
  4. Step 4: Simplify right side
    88,064.54x = 6,289,922,581.79
  5. Step 5: Solve for x
    x = 6,289,922,581.79/88,064.54
  6. Step 6: Final answer
    x = 71,424.01

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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.