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Finding the Fourth Proportional to 93,998.46, 129,740.50 and 63,834.06

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Solution

The fourth proportional to 93,998.46, 129,740.50 and 63,834.06 is: 88,106.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,998.46 : 129,740.50 = 63,834.06 : x
  2. Step 2: Convert to fraction form
    93,998.46/129,740.50 = 63,834.06/x
  3. Step 3: Cross multiply
    93,998.46x = 129,740.50 × 63,834.06
  4. Step 4: Simplify right side
    93,998.46x = 8,281,862,861.43
  5. Step 5: Solve for x
    x = 8,281,862,861.43/93,998.46
  6. Step 6: Final answer
    x = 88,106.37

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1.5x scale

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.