Home / 85,555.22-118,068.70-47,315.92

Finding the Fourth Proportional to 85,555.22, 118,068.70 and 47,315.92

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Solution

The fourth proportional to 85,555.22, 118,068.70 and 47,315.92 is: 65,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555.22 : 118,068.70 = 47,315.92 : x
  2. Step 2: Convert to fraction form
    85,555.22/118,068.70 = 47,315.92/x
  3. Step 3: Cross multiply
    85,555.22x = 118,068.70 × 47,315.92
  4. Step 4: Simplify right side
    85,555.22x = 5,586,529,163.70
  5. Step 5: Solve for x
    x = 5,586,529,163.70/85,555.22
  6. Step 6: Final answer
    x = 65,297.35

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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.