Home / 94,309.47-130,136.16-54,020.83

Finding the Fourth Proportional to 94,309.47, 130,136.16 and 54,020.83

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Solution

The fourth proportional to 94,309.47, 130,136.16 and 54,020.83 is: 74,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,309.47 : 130,136.16 = 54,020.83 : x
  2. Step 2: Convert to fraction form
    94,309.47/130,136.16 = 54,020.83/x
  3. Step 3: Cross multiply
    94,309.47x = 130,136.16 × 54,020.83
  4. Step 4: Simplify right side
    94,309.47x = 7,030,063,193.59
  5. Step 5: Solve for x
    x = 7,030,063,193.59/94,309.47
  6. Step 6: Final answer
    x = 74,542.49

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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.