Home / 105,068.34-144,995.13-57,322.08

Finding the Fourth Proportional to 105,068.34, 144,995.13 and 57,322.08

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Solution

The fourth proportional to 105,068.34, 144,995.13 and 57,322.08 is: 79,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,068.34 : 144,995.13 = 57,322.08 : x
  2. Step 2: Convert to fraction form
    105,068.34/144,995.13 = 57,322.08/x
  3. Step 3: Cross multiply
    105,068.34x = 144,995.13 × 57,322.08
  4. Step 4: Simplify right side
    105,068.34x = 8,311,422,441.47
  5. Step 5: Solve for x
    x = 8,311,422,441.47/105,068.34
  6. Step 6: Final answer
    x = 79,104.92

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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.