Home / 74,856.15-112,284.23-35,490.15

Finding the Fourth Proportional to 74,856.15, 112,284.23 and 35,490.15

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Solution

The fourth proportional to 74,856.15, 112,284.23 and 35,490.15 is: 53,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,856.15 : 112,284.23 = 35,490.15 : x
  2. Step 2: Convert to fraction form
    74,856.15/112,284.23 = 35,490.15/x
  3. Step 3: Cross multiply
    74,856.15x = 112,284.23 × 35,490.15
  4. Step 4: Simplify right side
    74,856.15x = 3,984,983,987.88
  5. Step 5: Solve for x
    x = 3,984,983,987.88/74,856.15
  6. Step 6: Final answer
    x = 53,235.23

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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.