Home / 74,688.32-112,084.20-29,705.06

Finding the Fourth Proportional to 74,688.32, 112,084.20 and 29,705.06

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Solution

The fourth proportional to 74,688.32, 112,084.20 and 29,705.06 is: 44,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,688.32 : 112,084.20 = 29,705.06 : x
  2. Step 2: Convert to fraction form
    74,688.32/112,084.20 = 29,705.06/x
  3. Step 3: Cross multiply
    74,688.32x = 112,084.20 × 29,705.06
  4. Step 4: Simplify right side
    74,688.32x = 3,329,467,886.05
  5. Step 5: Solve for x
    x = 3,329,467,886.05/74,688.32
  6. Step 6: Final answer
    x = 44,578.16

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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.