Home / 85,743.60-118,323.42-47,501.58

Finding the Fourth Proportional to 85,743.60, 118,323.42 and 47,501.58

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Solution

The fourth proportional to 85,743.60, 118,323.42 and 47,501.58 is: 65,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,743.60 : 118,323.42 = 47,501.58 : x
  2. Step 2: Convert to fraction form
    85,743.60/118,323.42 = 47,501.58/x
  3. Step 3: Cross multiply
    85,743.60x = 118,323.42 × 47,501.58
  4. Step 4: Simplify right side
    85,743.60x = 5,620,549,401.00
  5. Step 5: Solve for x
    x = 5,620,549,401.00/85,743.60
  6. Step 6: Final answer
    x = 65,550.66

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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.