Home / 85,692.16-118,244.10-47,966.41

Finding the Fourth Proportional to 85,692.16, 118,244.10 and 47,966.41

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Solution

The fourth proportional to 85,692.16, 118,244.10 and 47,966.41 is: 66,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,692.16 : 118,244.10 = 47,966.41 : x
  2. Step 2: Convert to fraction form
    85,692.16/118,244.10 = 47,966.41/x
  3. Step 3: Cross multiply
    85,692.16x = 118,244.10 × 47,966.41
  4. Step 4: Simplify right side
    85,692.16x = 5,671,744,980.68
  5. Step 5: Solve for x
    x = 5,671,744,980.68/85,692.16
  6. Step 6: Final answer
    x = 66,187.44

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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.