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Finding the Fourth Proportional to 94,459.50, 130,354.11 and 52,017.93

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Solution

The fourth proportional to 94,459.50, 130,354.11 and 52,017.93 is: 71,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,459.50 : 130,354.11 = 52,017.93 : x
  2. Step 2: Convert to fraction form
    94,459.50/130,354.11 = 52,017.93/x
  3. Step 3: Cross multiply
    94,459.50x = 130,354.11 × 52,017.93
  4. Step 4: Simplify right side
    94,459.50x = 6,780,750,969.19
  5. Step 5: Solve for x
    x = 6,780,750,969.19/94,459.50
  6. Step 6: Final answer
    x = 71,784.74

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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.