Home / 94,079.53-129,830.75-51,637.15

Finding the Fourth Proportional to 94,079.53, 129,830.75 and 51,637.15

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Solution

The fourth proportional to 94,079.53, 129,830.75 and 51,637.15 is: 71,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,079.53 : 129,830.75 = 51,637.15 : x
  2. Step 2: Convert to fraction form
    94,079.53/129,830.75 = 51,637.15/x
  3. Step 3: Cross multiply
    94,079.53x = 129,830.75 × 51,637.15
  4. Step 4: Simplify right side
    94,079.53x = 6,704,089,912.36
  5. Step 5: Solve for x
    x = 6,704,089,912.36/94,079.53
  6. Step 6: Final answer
    x = 71,259.82

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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.