Home / 85,762.13-118,351.73-52,228.13

Finding the Fourth Proportional to 85,762.13, 118,351.73 and 52,228.13

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Solution

The fourth proportional to 85,762.13, 118,351.73 and 52,228.13 is: 72,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,762.13 : 118,351.73 = 52,228.13 : x
  2. Step 2: Convert to fraction form
    85,762.13/118,351.73 = 52,228.13/x
  3. Step 3: Cross multiply
    85,762.13x = 118,351.73 × 52,228.13
  4. Step 4: Simplify right side
    85,762.13x = 6,181,289,078.98
  5. Step 5: Solve for x
    x = 6,181,289,078.98/85,762.13
  6. Step 6: Final answer
    x = 72,074.81

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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.