Home / 88,195.16-121,638.88-58,011.44

Finding the Fourth Proportional to 88,195.16, 121,638.88 and 58,011.44

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Solution

The fourth proportional to 88,195.16, 121,638.88 and 58,011.44 is: 80,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,195.16 : 121,638.88 = 58,011.44 : x
  2. Step 2: Convert to fraction form
    88,195.16/121,638.88 = 58,011.44/x
  3. Step 3: Cross multiply
    88,195.16x = 121,638.88 × 58,011.44
  4. Step 4: Simplify right side
    88,195.16x = 7,056,446,588.79
  5. Step 5: Solve for x
    x = 7,056,446,588.79/88,195.16
  6. Step 6: Final answer
    x = 80,009.45

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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.