Home / 112,041.32-154,607.50-64,293.64

Finding the Fourth Proportional to 112,041.32, 154,607.50 and 64,293.64

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Solution

The fourth proportional to 112,041.32, 154,607.50 and 64,293.64 is: 88,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.32 : 154,607.50 = 64,293.64 : x
  2. Step 2: Convert to fraction form
    112,041.32/154,607.50 = 64,293.64/x
  3. Step 3: Cross multiply
    112,041.32x = 154,607.50 × 64,293.64
  4. Step 4: Simplify right side
    112,041.32x = 9,940,278,640.15
  5. Step 5: Solve for x
    x = 9,940,278,640.15/112,041.32
  6. Step 6: Final answer
    x = 88,719.76

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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.