Home / 85,743.60-118,323.40-47,501.60

Finding the Fourth Proportional to 85,743.60, 118,323.40 and 47,501.60

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Solution

The fourth proportional to 85,743.60, 118,323.40 and 47,501.60 is: 65,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,743.60 : 118,323.40 = 47,501.60 : x
  2. Step 2: Convert to fraction form
    85,743.60/118,323.40 = 47,501.60/x
  3. Step 3: Cross multiply
    85,743.60x = 118,323.40 × 47,501.60
  4. Step 4: Simplify right side
    85,743.60x = 5,620,550,817.44
  5. Step 5: Solve for x
    x = 5,620,550,817.44/85,743.60
  6. Step 6: Final answer
    x = 65,550.67

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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.