Home / 88,108.36-121,589.64-47,822.12

Finding the Fourth Proportional to 88,108.36, 121,589.64 and 47,822.12

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Solution

The fourth proportional to 88,108.36, 121,589.64 and 47,822.12 is: 65,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,108.36 : 121,589.64 = 47,822.12 : x
  2. Step 2: Convert to fraction form
    88,108.36/121,589.64 = 47,822.12/x
  3. Step 3: Cross multiply
    88,108.36x = 121,589.64 × 47,822.12
  4. Step 4: Simplify right side
    88,108.36x = 5,814,674,354.84
  5. Step 5: Solve for x
    x = 5,814,674,354.84/88,108.36
  6. Step 6: Final answer
    x = 65,994.58

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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.