Home / 99,015.83-136,649.66-56,004.36

Finding the Fourth Proportional to 99,015.83, 136,649.66 and 56,004.36

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Solution

The fourth proportional to 99,015.83, 136,649.66 and 56,004.36 is: 77,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015.83 : 136,649.66 = 56,004.36 : x
  2. Step 2: Convert to fraction form
    99,015.83/136,649.66 = 56,004.36/x
  3. Step 3: Cross multiply
    99,015.83x = 136,649.66 × 56,004.36
  4. Step 4: Simplify right side
    99,015.83x = 7,652,976,752.52
  5. Step 5: Solve for x
    x = 7,652,976,752.52/99,015.83
  6. Step 6: Final answer
    x = 77,290.44

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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.