Home / 46,076.76-69,071.28-21,106.08

Finding the Fourth Proportional to 46,076.76, 69,071.28 and 21,106.08

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Solution

The fourth proportional to 46,076.76, 69,071.28 and 21,106.08 is: 31,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,076.76 : 69,071.28 = 21,106.08 : x
  2. Step 2: Convert to fraction form
    46,076.76/69,071.28 = 21,106.08/x
  3. Step 3: Cross multiply
    46,076.76x = 69,071.28 × 21,106.08
  4. Step 4: Simplify right side
    46,076.76x = 1,457,823,961.38
  5. Step 5: Solve for x
    x = 1,457,823,961.38/46,076.76
  6. Step 6: Final answer
    x = 31,639.03

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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.