Home / 85,947.04-118,605.05-47,704.34

Finding the Fourth Proportional to 85,947.04, 118,605.05 and 47,704.34

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Solution

The fourth proportional to 85,947.04, 118,605.05 and 47,704.34 is: 65,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,947.04 : 118,605.05 = 47,704.34 : x
  2. Step 2: Convert to fraction form
    85,947.04/118,605.05 = 47,704.34/x
  3. Step 3: Cross multiply
    85,947.04x = 118,605.05 × 47,704.34
  4. Step 4: Simplify right side
    85,947.04x = 5,657,975,630.92
  5. Step 5: Solve for x
    x = 5,657,975,630.92/85,947.04
  6. Step 6: Final answer
    x = 65,830.96

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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.