Home / 74,308.71-111,397.45-56,856.45

Finding the Fourth Proportional to 74,308.71, 111,397.45 and 56,856.45

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Solution

The fourth proportional to 74,308.71, 111,397.45 and 56,856.45 is: 85,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,308.71 : 111,397.45 = 56,856.45 : x
  2. Step 2: Convert to fraction form
    74,308.71/111,397.45 = 56,856.45/x
  3. Step 3: Cross multiply
    74,308.71x = 111,397.45 × 56,856.45
  4. Step 4: Simplify right side
    74,308.71x = 6,333,663,461.56
  5. Step 5: Solve for x
    x = 6,333,663,461.56/74,308.71
  6. Step 6: Final answer
    x = 85,234.47

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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.