Home / 76,459.66-114,772.53-56,406.24

Finding the Fourth Proportional to 76,459.66, 114,772.53 and 56,406.24

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Solution

The fourth proportional to 76,459.66, 114,772.53 and 56,406.24 is: 84,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,459.66 : 114,772.53 = 56,406.24 : x
  2. Step 2: Convert to fraction form
    76,459.66/114,772.53 = 56,406.24/x
  3. Step 3: Cross multiply
    76,459.66x = 114,772.53 × 56,406.24
  4. Step 4: Simplify right side
    76,459.66x = 6,473,886,872.59
  5. Step 5: Solve for x
    x = 6,473,886,872.59/76,459.66
  6. Step 6: Final answer
    x = 84,670.62

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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.