Home / 76,476.10-105,494.25-48,132.58

Finding the Fourth Proportional to 76,476.10, 105,494.25 and 48,132.58

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Solution

The fourth proportional to 76,476.10, 105,494.25 and 48,132.58 is: 66,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,476.10 : 105,494.25 = 48,132.58 : x
  2. Step 2: Convert to fraction form
    76,476.10/105,494.25 = 48,132.58/x
  3. Step 3: Cross multiply
    76,476.10x = 105,494.25 × 48,132.58
  4. Step 4: Simplify right side
    76,476.10x = 5,077,710,427.67
  5. Step 5: Solve for x
    x = 5,077,710,427.67/76,476.10
  6. Step 6: Final answer
    x = 66,396.04

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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.