Home / 94,051.78-129,791.09-51,611.02

Finding the Fourth Proportional to 94,051.78, 129,791.09 and 51,611.02

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Solution

The fourth proportional to 94,051.78, 129,791.09 and 51,611.02 is: 71,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,051.78 : 129,791.09 = 51,611.02 : x
  2. Step 2: Convert to fraction form
    94,051.78/129,791.09 = 51,611.02/x
  3. Step 3: Cross multiply
    94,051.78x = 129,791.09 × 51,611.02
  4. Step 4: Simplify right side
    94,051.78x = 6,698,650,541.81
  5. Step 5: Solve for x
    x = 6,698,650,541.81/94,051.78
  6. Step 6: Final answer
    x = 71,223.01

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1.5x scale

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.