Home / 93,740.13-129,226.80-66,835.93

Finding the Fourth Proportional to 93,740.13, 129,226.80 and 66,835.93

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Solution

The fourth proportional to 93,740.13, 129,226.80 and 66,835.93 is: 92,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,740.13 : 129,226.80 = 66,835.93 : x
  2. Step 2: Convert to fraction form
    93,740.13/129,226.80 = 66,835.93/x
  3. Step 3: Cross multiply
    93,740.13x = 129,226.80 × 66,835.93
  4. Step 4: Simplify right side
    93,740.13x = 8,636,993,035.86
  5. Step 5: Solve for x
    x = 8,636,993,035.86/93,740.13
  6. Step 6: Final answer
    x = 92,137.63

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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.