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Finding the Fourth Proportional to 93,069.95, 139,604.94 and 65,044.74

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Solution

The fourth proportional to 93,069.95, 139,604.94 and 65,044.74 is: 97,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,069.95 : 139,604.94 = 65,044.74 : x
  2. Step 2: Convert to fraction form
    93,069.95/139,604.94 = 65,044.74/x
  3. Step 3: Cross multiply
    93,069.95x = 139,604.94 × 65,044.74
  4. Step 4: Simplify right side
    93,069.95x = 9,080,566,699.79
  5. Step 5: Solve for x
    x = 9,080,566,699.79/93,069.95
  6. Step 6: Final answer
    x = 97,567.12

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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.