Home / 94,122.28-129,900.45-53,830.45

Finding the Fourth Proportional to 94,122.28, 129,900.45 and 53,830.45

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Solution

The fourth proportional to 94,122.28, 129,900.45 and 53,830.45 is: 74,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,122.28 : 129,900.45 = 53,830.45 : x
  2. Step 2: Convert to fraction form
    94,122.28/129,900.45 = 53,830.45/x
  3. Step 3: Cross multiply
    94,122.28x = 129,900.45 × 53,830.45
  4. Step 4: Simplify right side
    94,122.28x = 6,992,599,678.70
  5. Step 5: Solve for x
    x = 6,992,599,678.70/94,122.28
  6. Step 6: Final answer
    x = 74,292.71

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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.