Home / 93,152.86-128,550.96-50,711.38

Finding the Fourth Proportional to 93,152.86, 128,550.96 and 50,711.38

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Solution

The fourth proportional to 93,152.86, 128,550.96 and 50,711.38 is: 69,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,152.86 : 128,550.96 = 50,711.38 : x
  2. Step 2: Convert to fraction form
    93,152.86/128,550.96 = 50,711.38/x
  3. Step 3: Cross multiply
    93,152.86x = 128,550.96 × 50,711.38
  4. Step 4: Simplify right side
    93,152.86x = 6,518,996,581.92
  5. Step 5: Solve for x
    x = 6,518,996,581.92/93,152.86
  6. Step 6: Final answer
    x = 69,981.71

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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.