Home / 56,715.67-78,272.14-32,842.76

Finding the Fourth Proportional to 56,715.67, 78,272.14 and 32,842.76

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Solution

The fourth proportional to 56,715.67, 78,272.14 and 32,842.76 is: 45,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,715.67 : 78,272.14 = 32,842.76 : x
  2. Step 2: Convert to fraction form
    56,715.67/78,272.14 = 32,842.76/x
  3. Step 3: Cross multiply
    56,715.67x = 78,272.14 × 32,842.76
  4. Step 4: Simplify right side
    56,715.67x = 2,570,673,108.71
  5. Step 5: Solve for x
    x = 2,570,673,108.71/56,715.67
  6. Step 6: Final answer
    x = 45,325.62

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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.