Home / 89,714.22-134,547.02-45,366.72

Finding the Fourth Proportional to 89,714.22, 134,547.02 and 45,366.72

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Solution

The fourth proportional to 89,714.22, 134,547.02 and 45,366.72 is: 68,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,714.22 : 134,547.02 = 45,366.72 : x
  2. Step 2: Convert to fraction form
    89,714.22/134,547.02 = 45,366.72/x
  3. Step 3: Cross multiply
    89,714.22x = 134,547.02 × 45,366.72
  4. Step 4: Simplify right side
    89,714.22x = 6,103,956,756.34
  5. Step 5: Solve for x
    x = 6,103,956,756.34/89,714.22
  6. Step 6: Final answer
    x = 68,037.78

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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.