Home / 93,328.20-139,895.10-51,143.40

Finding the Fourth Proportional to 93,328.20, 139,895.10 and 51,143.40

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Solution

The fourth proportional to 93,328.20, 139,895.10 and 51,143.40 is: 76,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,328.20 : 139,895.10 = 51,143.40 : x
  2. Step 2: Convert to fraction form
    93,328.20/139,895.10 = 51,143.40/x
  3. Step 3: Cross multiply
    93,328.20x = 139,895.10 × 51,143.40
  4. Step 4: Simplify right side
    93,328.20x = 7,154,711,057.34
  5. Step 5: Solve for x
    x = 7,154,711,057.34/93,328.20
  6. Step 6: Final answer
    x = 76,661.83

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1.5x scale

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.