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Finding the Fourth Proportional to 60,133.58, 90,274.08 and 57,755.12

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Solution

The fourth proportional to 60,133.58, 90,274.08 and 57,755.12 is: 86,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,133.58 : 90,274.08 = 57,755.12 : x
  2. Step 2: Convert to fraction form
    60,133.58/90,274.08 = 57,755.12/x
  3. Step 3: Cross multiply
    60,133.58x = 90,274.08 × 57,755.12
  4. Step 4: Simplify right side
    60,133.58x = 5,213,790,323.29
  5. Step 5: Solve for x
    x = 5,213,790,323.29/60,133.58
  6. Step 6: Final answer
    x = 86,703.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.