Home / 94,588.80-130,538.70-54,315.60

Finding the Fourth Proportional to 94,588.80, 130,538.70 and 54,315.60

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Solution

The fourth proportional to 94,588.80, 130,538.70 and 54,315.60 is: 74,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,588.80 : 130,538.70 = 54,315.60 : x
  2. Step 2: Convert to fraction form
    94,588.80/130,538.70 = 54,315.60/x
  3. Step 3: Cross multiply
    94,588.80x = 130,538.70 × 54,315.60
  4. Step 4: Simplify right side
    94,588.80x = 7,090,287,813.72
  5. Step 5: Solve for x
    x = 7,090,287,813.72/94,588.80
  6. Step 6: Final answer
    x = 74,959.06

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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.