Home / 81,798.24-112,557.96-68,326.32

Finding the Fourth Proportional to 81,798.24, 112,557.96 and 68,326.32

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Solution

The fourth proportional to 81,798.24, 112,557.96 and 68,326.32 is: 94,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,798.24 : 112,557.96 = 68,326.32 : x
  2. Step 2: Convert to fraction form
    81,798.24/112,557.96 = 68,326.32/x
  3. Step 3: Cross multiply
    81,798.24x = 112,557.96 × 68,326.32
  4. Step 4: Simplify right side
    81,798.24x = 7,690,671,193.51
  5. Step 5: Solve for x
    x = 7,690,671,193.51/81,798.24
  6. Step 6: Final answer
    x = 94,020.01

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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.