Home / 51,170.02-70,609.16-28,504.64

Finding the Fourth Proportional to 51,170.02, 70,609.16 and 28,504.64

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Solution

The fourth proportional to 51,170.02, 70,609.16 and 28,504.64 is: 39,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.02 : 70,609.16 = 28,504.64 : x
  2. Step 2: Convert to fraction form
    51,170.02/70,609.16 = 28,504.64/x
  3. Step 3: Cross multiply
    51,170.02x = 70,609.16 × 28,504.64
  4. Step 4: Simplify right side
    51,170.02x = 2,012,688,686.50
  5. Step 5: Solve for x
    x = 2,012,688,686.50/51,170.02
  6. Step 6: Final answer
    x = 39,333.36

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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.