Home / 85,217.10-127,860.75-35,307.24

Finding the Fourth Proportional to 85,217.10, 127,860.75 and 35,307.24

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Solution

The fourth proportional to 85,217.10, 127,860.75 and 35,307.24 is: 52,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,217.10 : 127,860.75 = 35,307.24 : x
  2. Step 2: Convert to fraction form
    85,217.10/127,860.75 = 35,307.24/x
  3. Step 3: Cross multiply
    85,217.10x = 127,860.75 × 35,307.24
  4. Step 4: Simplify right side
    85,217.10x = 4,514,410,186.83
  5. Step 5: Solve for x
    x = 4,514,410,186.83/85,217.10
  6. Step 6: Final answer
    x = 52,975.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.