Home / 85,212.04-117,590.26-47,485.32

Finding the Fourth Proportional to 85,212.04, 117,590.26 and 47,485.32

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Solution

The fourth proportional to 85,212.04, 117,590.26 and 47,485.32 is: 65,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212.04 : 117,590.26 = 47,485.32 : x
  2. Step 2: Convert to fraction form
    85,212.04/117,590.26 = 47,485.32/x
  3. Step 3: Cross multiply
    85,212.04x = 117,590.26 × 47,485.32
  4. Step 4: Simplify right side
    85,212.04x = 5,583,811,124.98
  5. Step 5: Solve for x
    x = 5,583,811,124.98/85,212.04
  6. Step 6: Final answer
    x = 65,528.43

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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.