Home / 78,140.32-107,841.36-44,611.36

Finding the Fourth Proportional to 78,140.32, 107,841.36 and 44,611.36

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Solution

The fourth proportional to 78,140.32, 107,841.36 and 44,611.36 is: 61,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,140.32 : 107,841.36 = 44,611.36 : x
  2. Step 2: Convert to fraction form
    78,140.32/107,841.36 = 44,611.36/x
  3. Step 3: Cross multiply
    78,140.32x = 107,841.36 × 44,611.36
  4. Step 4: Simplify right side
    78,140.32x = 4,810,949,733.85
  5. Step 5: Solve for x
    x = 4,810,949,733.85/78,140.32
  6. Step 6: Final answer
    x = 61,568.08

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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.