Home / 92,570.04-138,743.80-42,581.28

Finding the Fourth Proportional to 92,570.04, 138,743.80 and 42,581.28

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Solution

The fourth proportional to 92,570.04, 138,743.80 and 42,581.28 is: 63,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,570.04 : 138,743.80 = 42,581.28 : x
  2. Step 2: Convert to fraction form
    92,570.04/138,743.80 = 42,581.28/x
  3. Step 3: Cross multiply
    92,570.04x = 138,743.80 × 42,581.28
  4. Step 4: Simplify right side
    92,570.04x = 5,907,888,596.06
  5. Step 5: Solve for x
    x = 5,907,888,596.06/92,570.04
  6. Step 6: Final answer
    x = 63,820.74

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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.