Home / 46,938.38-70,407.78-11,878.07

Finding the Fourth Proportional to 46,938.38, 70,407.78 and 11,878.07

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Solution

The fourth proportional to 46,938.38, 70,407.78 and 11,878.07 is: 17,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,938.38 : 70,407.78 = 11,878.07 : x
  2. Step 2: Convert to fraction form
    46,938.38/70,407.78 = 11,878.07/x
  3. Step 3: Cross multiply
    46,938.38x = 70,407.78 × 11,878.07
  4. Step 4: Simplify right side
    46,938.38x = 836,308,539.38
  5. Step 5: Solve for x
    x = 836,308,539.38/46,938.38
  6. Step 6: Final answer
    x = 17,817.16

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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.