Home / 76,089.85-105,037.62-45,473.74

Finding the Fourth Proportional to 76,089.85, 105,037.62 and 45,473.74

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Solution

The fourth proportional to 76,089.85, 105,037.62 and 45,473.74 is: 62,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,089.85 : 105,037.62 = 45,473.74 : x
  2. Step 2: Convert to fraction form
    76,089.85/105,037.62 = 45,473.74/x
  3. Step 3: Cross multiply
    76,089.85x = 105,037.62 × 45,473.74
  4. Step 4: Simplify right side
    76,089.85x = 4,776,453,422.10
  5. Step 5: Solve for x
    x = 4,776,453,422.10/76,089.85
  6. Step 6: Final answer
    x = 62,773.86

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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.