Home / 56,680.74-85,014.63-15,130.98

Finding the Fourth Proportional to 56,680.74, 85,014.63 and 15,130.98

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Solution

The fourth proportional to 56,680.74, 85,014.63 and 15,130.98 is: 22,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680.74 : 85,014.63 = 15,130.98 : x
  2. Step 2: Convert to fraction form
    56,680.74/85,014.63 = 15,130.98/x
  3. Step 3: Cross multiply
    56,680.74x = 85,014.63 × 15,130.98
  4. Step 4: Simplify right side
    56,680.74x = 1,286,354,666.24
  5. Step 5: Solve for x
    x = 1,286,354,666.24/56,680.74
  6. Step 6: Final answer
    x = 22,694.74

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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.