Home / 85,269.04-127,908.64-35,352.80

Finding the Fourth Proportional to 85,269.04, 127,908.64 and 35,352.80

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Solution

The fourth proportional to 85,269.04, 127,908.64 and 35,352.80 is: 53,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269.04 : 127,908.64 = 35,352.80 : x
  2. Step 2: Convert to fraction form
    85,269.04/127,908.64 = 35,352.80/x
  3. Step 3: Cross multiply
    85,269.04x = 127,908.64 × 35,352.80
  4. Step 4: Simplify right side
    85,269.04x = 4,521,928,568.19
  5. Step 5: Solve for x
    x = 4,521,928,568.19/85,269.04
  6. Step 6: Final answer
    x = 53,031.31

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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.