Home / 112,461.11-155,196.35-61,474.05

Finding the Fourth Proportional to 112,461.11, 155,196.35 and 61,474.05

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Solution

The fourth proportional to 112,461.11, 155,196.35 and 61,474.05 is: 84,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,461.11 : 155,196.35 = 61,474.05 : x
  2. Step 2: Convert to fraction form
    112,461.11/155,196.35 = 61,474.05/x
  3. Step 3: Cross multiply
    112,461.11x = 155,196.35 × 61,474.05
  4. Step 4: Simplify right side
    112,461.11x = 9,540,547,290.36
  5. Step 5: Solve for x
    x = 9,540,547,290.36/112,461.11
  6. Step 6: Final answer
    x = 84,834.19

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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.