Home / 113,878.44-157,115.70-63,567.72

Finding the Fourth Proportional to 113,878.44, 157,115.70 and 63,567.72

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Solution

The fourth proportional to 113,878.44, 157,115.70 and 63,567.72 is: 87,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,878.44 : 157,115.70 = 63,567.72 : x
  2. Step 2: Convert to fraction form
    113,878.44/157,115.70 = 63,567.72/x
  3. Step 3: Cross multiply
    113,878.44x = 157,115.70 × 63,567.72
  4. Step 4: Simplify right side
    113,878.44x = 9,987,486,825.20
  5. Step 5: Solve for x
    x = 9,987,486,825.20/113,878.44
  6. Step 6: Final answer
    x = 87,703.05

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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.