Home / 112,477.02-168,632.16-68,093.28

Finding the Fourth Proportional to 112,477.02, 168,632.16 and 68,093.28

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Solution

The fourth proportional to 112,477.02, 168,632.16 and 68,093.28 is: 102,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477.02 : 168,632.16 = 68,093.28 : x
  2. Step 2: Convert to fraction form
    112,477.02/168,632.16 = 68,093.28/x
  3. Step 3: Cross multiply
    112,477.02x = 168,632.16 × 68,093.28
  4. Step 4: Simplify right side
    112,477.02x = 11,482,716,887.88
  5. Step 5: Solve for x
    x = 11,482,716,887.88/112,477.02
  6. Step 6: Final answer
    x = 102,089.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.