Home / 88,192.55-121,703.68-47,905.41

Finding the Fourth Proportional to 88,192.55, 121,703.68 and 47,905.41

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Solution

The fourth proportional to 88,192.55, 121,703.68 and 47,905.41 is: 66,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,192.55 : 121,703.68 = 47,905.41 : x
  2. Step 2: Convert to fraction form
    88,192.55/121,703.68 = 47,905.41/x
  3. Step 3: Cross multiply
    88,192.55x = 121,703.68 × 47,905.41
  4. Step 4: Simplify right side
    88,192.55x = 5,830,265,205.18
  5. Step 5: Solve for x
    x = 5,830,265,205.18/88,192.55
  6. Step 6: Final answer
    x = 66,108.36

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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.