Home / 102,547.08-153,825.17-31,464.51

Finding the Fourth Proportional to 102,547.08, 153,825.17 and 31,464.51

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Solution

The fourth proportional to 102,547.08, 153,825.17 and 31,464.51 is: 47,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547.08 : 153,825.17 = 31,464.51 : x
  2. Step 2: Convert to fraction form
    102,547.08/153,825.17 = 31,464.51/x
  3. Step 3: Cross multiply
    102,547.08x = 153,825.17 × 31,464.51
  4. Step 4: Simplify right side
    102,547.08x = 4,840,033,442.39
  5. Step 5: Solve for x
    x = 4,840,033,442.39/102,547.08
  6. Step 6: Final answer
    x = 47,198.16

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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.