Home / 74,308.40-111,396.99-56,856.14

Finding the Fourth Proportional to 74,308.40, 111,396.99 and 56,856.14

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Solution

The fourth proportional to 74,308.40, 111,396.99 and 56,856.14 is: 85,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,308.40 : 111,396.99 = 56,856.14 : x
  2. Step 2: Convert to fraction form
    74,308.40/111,396.99 = 56,856.14/x
  3. Step 3: Cross multiply
    74,308.40x = 111,396.99 × 56,856.14
  4. Step 4: Simplify right side
    74,308.40x = 6,333,602,859.02
  5. Step 5: Solve for x
    x = 6,333,602,859.02/74,308.40
  6. Step 6: Final answer
    x = 85,234.01

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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.