Home / 94,136.72-129,908.76-51,697.40

Finding the Fourth Proportional to 94,136.72, 129,908.76 and 51,697.40

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Solution

The fourth proportional to 94,136.72, 129,908.76 and 51,697.40 is: 71,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,136.72 : 129,908.76 = 51,697.40 : x
  2. Step 2: Convert to fraction form
    94,136.72/129,908.76 = 51,697.40/x
  3. Step 3: Cross multiply
    94,136.72x = 129,908.76 × 51,697.40
  4. Step 4: Simplify right side
    94,136.72x = 6,715,945,129.22
  5. Step 5: Solve for x
    x = 6,715,945,129.22/94,136.72
  6. Step 6: Final answer
    x = 71,342.46

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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.