Home / 85,207.40-117,594.96-51,226.96

Finding the Fourth Proportional to 85,207.40, 117,594.96 and 51,226.96

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Solution

The fourth proportional to 85,207.40, 117,594.96 and 51,226.96 is: 70,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,207.40 : 117,594.96 = 51,226.96 : x
  2. Step 2: Convert to fraction form
    85,207.40/117,594.96 = 51,226.96/x
  3. Step 3: Cross multiply
    85,207.40x = 117,594.96 × 51,226.96
  4. Step 4: Simplify right side
    85,207.40x = 6,024,032,312.12
  5. Step 5: Solve for x
    x = 6,024,032,312.12/85,207.40
  6. Step 6: Final answer
    x = 70,698.46

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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.