Home / 85,856.10-128,747.70-41,496.45

Finding the Fourth Proportional to 85,856.10, 128,747.70 and 41,496.45

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Solution

The fourth proportional to 85,856.10, 128,747.70 and 41,496.45 is: 62,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,856.10 : 128,747.70 = 41,496.45 : x
  2. Step 2: Convert to fraction form
    85,856.10/128,747.70 = 41,496.45/x
  3. Step 3: Cross multiply
    85,856.10x = 128,747.70 × 41,496.45
  4. Step 4: Simplify right side
    85,856.10x = 5,342,572,495.67
  5. Step 5: Solve for x
    x = 5,342,572,495.67/85,856.10
  6. Step 6: Final answer
    x = 62,227.06

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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.