Home / 85,669.84-118,220.34-47,426.68

Finding the Fourth Proportional to 85,669.84, 118,220.34 and 47,426.68

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Solution

The fourth proportional to 85,669.84, 118,220.34 and 47,426.68 is: 65,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,669.84 : 118,220.34 = 47,426.68 : x
  2. Step 2: Convert to fraction form
    85,669.84/118,220.34 = 47,426.68/x
  3. Step 3: Cross multiply
    85,669.84x = 118,220.34 × 47,426.68
  4. Step 4: Simplify right side
    85,669.84x = 5,606,798,234.67
  5. Step 5: Solve for x
    x = 5,606,798,234.67/85,669.84
  6. Step 6: Final answer
    x = 65,446.58

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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.