Home / 45,679.06-68,468.28-29,877.58

Finding the Fourth Proportional to 45,679.06, 68,468.28 and 29,877.58

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Solution

The fourth proportional to 45,679.06, 68,468.28 and 29,877.58 is: 44,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.06 : 68,468.28 = 29,877.58 : x
  2. Step 2: Convert to fraction form
    45,679.06/68,468.28 = 29,877.58/x
  3. Step 3: Cross multiply
    45,679.06x = 68,468.28 × 29,877.58
  4. Step 4: Simplify right side
    45,679.06x = 2,045,666,513.16
  5. Step 5: Solve for x
    x = 2,045,666,513.16/45,679.06
  6. Step 6: Final answer
    x = 44,783.46

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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.