Home / 112,330.74-168,492.86-45,754.40

Finding the Fourth Proportional to 112,330.74, 168,492.86 and 45,754.40

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Solution

The fourth proportional to 112,330.74, 168,492.86 and 45,754.40 is: 68,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330.74 : 168,492.86 = 45,754.40 : x
  2. Step 2: Convert to fraction form
    112,330.74/168,492.86 = 45,754.40/x
  3. Step 3: Cross multiply
    112,330.74x = 168,492.86 × 45,754.40
  4. Step 4: Simplify right side
    112,330.74x = 7,709,289,713.58
  5. Step 5: Solve for x
    x = 7,709,289,713.58/112,330.74
  6. Step 6: Final answer
    x = 68,630.28

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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.