Home / 92,682.12-139,017.31-29,547.55

Finding the Fourth Proportional to 92,682.12, 139,017.31 and 29,547.55

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Solution

The fourth proportional to 92,682.12, 139,017.31 and 29,547.55 is: 44,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,682.12 : 139,017.31 = 29,547.55 : x
  2. Step 2: Convert to fraction form
    92,682.12/139,017.31 = 29,547.55/x
  3. Step 3: Cross multiply
    92,682.12x = 139,017.31 × 29,547.55
  4. Step 4: Simplify right side
    92,682.12x = 4,107,621,184.20
  5. Step 5: Solve for x
    x = 4,107,621,184.20/92,682.12
  6. Step 6: Final answer
    x = 44,319.45

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1.5x scale

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.