Home / 85,320.04-117,741.30-47,594.32

Finding the Fourth Proportional to 85,320.04, 117,741.30 and 47,594.32

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Solution

The fourth proportional to 85,320.04, 117,741.30 and 47,594.32 is: 65,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,320.04 : 117,741.30 = 47,594.32 : x
  2. Step 2: Convert to fraction form
    85,320.04/117,741.30 = 47,594.32/x
  3. Step 3: Cross multiply
    85,320.04x = 117,741.30 × 47,594.32
  4. Step 4: Simplify right side
    85,320.04x = 5,603,817,109.42
  5. Step 5: Solve for x
    x = 5,603,817,109.42/85,320.04
  6. Step 6: Final answer
    x = 65,679.96

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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.