Home / 88,256.96-121,795.41-47,970.81

Finding the Fourth Proportional to 88,256.96, 121,795.41 and 47,970.81

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Solution

The fourth proportional to 88,256.96, 121,795.41 and 47,970.81 is: 66,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.96 : 121,795.41 = 47,970.81 : x
  2. Step 2: Convert to fraction form
    88,256.96/121,795.41 = 47,970.81/x
  3. Step 3: Cross multiply
    88,256.96x = 121,795.41 × 47,970.81
  4. Step 4: Simplify right side
    88,256.96x = 5,842,624,471.98
  5. Step 5: Solve for x
    x = 5,842,624,471.98/88,256.96
  6. Step 6: Final answer
    x = 66,200.16

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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.