Home / 111,547.04-153,935.44-61,246

Finding the Fourth Proportional to 111,547.04, 153,935.44 and 61,246

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Solution

The fourth proportional to 111,547.04, 153,935.44 and 61,246 is: 84,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,547.04 : 153,935.44 = 61,246 : x
  2. Step 2: Convert to fraction form
    111,547.04/153,935.44 = 61,246/x
  3. Step 3: Cross multiply
    111,547.04x = 153,935.44 × 61,246
  4. Step 4: Simplify right side
    111,547.04x = 9,427,929,958.24
  5. Step 5: Solve for x
    x = 9,427,929,958.24/111,547.04
  6. Step 6: Final answer
    x = 84,519.77

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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.