Home / 99,003.44-136,612.50-63,214.40

Finding the Fourth Proportional to 99,003.44, 136,612.50 and 63,214.40

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Solution

The fourth proportional to 99,003.44, 136,612.50 and 63,214.40 is: 87,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,003.44 : 136,612.50 = 63,214.40 : x
  2. Step 2: Convert to fraction form
    99,003.44/136,612.50 = 63,214.40/x
  3. Step 3: Cross multiply
    99,003.44x = 136,612.50 × 63,214.40
  4. Step 4: Simplify right side
    99,003.44x = 8,635,877,220
  5. Step 5: Solve for x
    x = 8,635,877,220/99,003.44
  6. Step 6: Final answer
    x = 87,228.05

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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.