Home / 55,631.34-83,446.14-13,511.74

Finding the Fourth Proportional to 55,631.34, 83,446.14 and 13,511.74

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Solution

The fourth proportional to 55,631.34, 83,446.14 and 13,511.74 is: 20,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.34 : 83,446.14 = 13,511.74 : x
  2. Step 2: Convert to fraction form
    55,631.34/83,446.14 = 13,511.74/x
  3. Step 3: Cross multiply
    55,631.34x = 83,446.14 × 13,511.74
  4. Step 4: Simplify right side
    55,631.34x = 1,127,502,547.68
  5. Step 5: Solve for x
    x = 1,127,502,547.68/55,631.34
  6. Step 6: Final answer
    x = 20,267.40

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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.