Home / 105,064.06-144,988.40-67,338.32

Finding the Fourth Proportional to 105,064.06, 144,988.40 and 67,338.32

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Solution

The fourth proportional to 105,064.06, 144,988.40 and 67,338.32 is: 92,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,064.06 : 144,988.40 = 67,338.32 : x
  2. Step 2: Convert to fraction form
    105,064.06/144,988.40 = 67,338.32/x
  3. Step 3: Cross multiply
    105,064.06x = 144,988.40 × 67,338.32
  4. Step 4: Simplify right side
    105,064.06x = 9,763,275,275.49
  5. Step 5: Solve for x
    x = 9,763,275,275.49/105,064.06
  6. Step 6: Final answer
    x = 92,926.88

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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.