Home / 88,256.94-121,795.80-47,970.68

Finding the Fourth Proportional to 88,256.94, 121,795.80 and 47,970.68

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Solution

The fourth proportional to 88,256.94, 121,795.80 and 47,970.68 is: 66,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.94 : 121,795.80 = 47,970.68 : x
  2. Step 2: Convert to fraction form
    88,256.94/121,795.80 = 47,970.68/x
  3. Step 3: Cross multiply
    88,256.94x = 121,795.80 × 47,970.68
  4. Step 4: Simplify right side
    88,256.94x = 5,842,627,347.14
  5. Step 5: Solve for x
    x = 5,842,627,347.14/88,256.94
  6. Step 6: Final answer
    x = 66,200.20

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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.