Home / 88,189.96-121,703.44-47,904.48

Finding the Fourth Proportional to 88,189.96, 121,703.44 and 47,904.48

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Solution

The fourth proportional to 88,189.96, 121,703.44 and 47,904.48 is: 66,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,189.96 : 121,703.44 = 47,904.48 : x
  2. Step 2: Convert to fraction form
    88,189.96/121,703.44 = 47,904.48/x
  3. Step 3: Cross multiply
    88,189.96x = 121,703.44 × 47,904.48
  4. Step 4: Simplify right side
    88,189.96x = 5,830,140,007.41
  5. Step 5: Solve for x
    x = 5,830,140,007.41/88,189.96
  6. Step 6: Final answer
    x = 66,108.89

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1.5x scale

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.