Home / 88,341.35-121,909.80-48,055.46

Finding the Fourth Proportional to 88,341.35, 121,909.80 and 48,055.46

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Solution

The fourth proportional to 88,341.35, 121,909.80 and 48,055.46 is: 66,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,341.35 : 121,909.80 = 48,055.46 : x
  2. Step 2: Convert to fraction form
    88,341.35/121,909.80 = 48,055.46/x
  3. Step 3: Cross multiply
    88,341.35x = 121,909.80 × 48,055.46
  4. Step 4: Simplify right side
    88,341.35x = 5,858,430,907.96
  5. Step 5: Solve for x
    x = 5,858,430,907.96/88,341.35
  6. Step 6: Final answer
    x = 66,315.84

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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.