Home / 76,365.72-114,444.90-56,718.36

Finding the Fourth Proportional to 76,365.72, 114,444.90 and 56,718.36

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Solution

The fourth proportional to 76,365.72, 114,444.90 and 56,718.36 is: 85,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,365.72 : 114,444.90 = 56,718.36 : x
  2. Step 2: Convert to fraction form
    76,365.72/114,444.90 = 56,718.36/x
  3. Step 3: Cross multiply
    76,365.72x = 114,444.90 × 56,718.36
  4. Step 4: Simplify right side
    76,365.72x = 6,491,127,038.36
  5. Step 5: Solve for x
    x = 6,491,127,038.36/76,365.72
  6. Step 6: Final answer
    x = 85,000.53

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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.