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Finding the Fourth Proportional to 94,492.48, 130,393.76 and 52,048.64

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Solution

The fourth proportional to 94,492.48, 130,393.76 and 52,048.64 is: 71,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,492.48 : 130,393.76 = 52,048.64 : x
  2. Step 2: Convert to fraction form
    94,492.48/130,393.76 = 52,048.64/x
  3. Step 3: Cross multiply
    94,492.48x = 130,393.76 × 52,048.64
  4. Step 4: Simplify right side
    94,492.48x = 6,786,817,872.49
  5. Step 5: Solve for x
    x = 6,786,817,872.49/94,492.48
  6. Step 6: Final answer
    x = 71,823.89

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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.