Home / 88,238.06-121,762.11-49,998.36

Finding the Fourth Proportional to 88,238.06, 121,762.11 and 49,998.36

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Solution

The fourth proportional to 88,238.06, 121,762.11 and 49,998.36 is: 68,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,238.06 : 121,762.11 = 49,998.36 : x
  2. Step 2: Convert to fraction form
    88,238.06/121,762.11 = 49,998.36/x
  3. Step 3: Cross multiply
    88,238.06x = 121,762.11 × 49,998.36
  4. Step 4: Simplify right side
    88,238.06x = 6,087,905,810.14
  5. Step 5: Solve for x
    x = 6,087,905,810.14/88,238.06
  6. Step 6: Final answer
    x = 68,994.11

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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.