Home / 94,309.85-130,136.67-54,021.21

Finding the Fourth Proportional to 94,309.85, 130,136.67 and 54,021.21

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Solution

The fourth proportional to 94,309.85, 130,136.67 and 54,021.21 is: 74,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,309.85 : 130,136.67 = 54,021.21 : x
  2. Step 2: Convert to fraction form
    94,309.85/130,136.67 = 54,021.21/x
  3. Step 3: Cross multiply
    94,309.85x = 130,136.67 × 54,021.21
  4. Step 4: Simplify right side
    94,309.85x = 7,030,140,093.34
  5. Step 5: Solve for x
    x = 7,030,140,093.34/94,309.85
  6. Step 6: Final answer
    x = 74,543.01

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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.