Home / 94,190.81-129,983.69-53,905.25

Finding the Fourth Proportional to 94,190.81, 129,983.69 and 53,905.25

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Solution

The fourth proportional to 94,190.81, 129,983.69 and 53,905.25 is: 74,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,190.81 : 129,983.69 = 53,905.25 : x
  2. Step 2: Convert to fraction form
    94,190.81/129,983.69 = 53,905.25/x
  3. Step 3: Cross multiply
    94,190.81x = 129,983.69 × 53,905.25
  4. Step 4: Simplify right side
    94,190.81x = 7,006,802,385.93
  5. Step 5: Solve for x
    x = 7,006,802,385.93/94,190.81
  6. Step 6: Final answer
    x = 74,389.45

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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.