Home / 85,277.08-117,756.66-53,500.60

Finding the Fourth Proportional to 85,277.08, 117,756.66 and 53,500.60

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Solution

The fourth proportional to 85,277.08, 117,756.66 and 53,500.60 is: 73,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.08 : 117,756.66 = 53,500.60 : x
  2. Step 2: Convert to fraction form
    85,277.08/117,756.66 = 53,500.60/x
  3. Step 3: Cross multiply
    85,277.08x = 117,756.66 × 53,500.60
  4. Step 4: Simplify right side
    85,277.08x = 6,300,051,964.00
  5. Step 5: Solve for x
    x = 6,300,051,964.00/85,277.08
  6. Step 6: Final answer
    x = 73,877.44

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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.