Home / 93,919.14-129,621.70-58,120.69

Finding the Fourth Proportional to 93,919.14, 129,621.70 and 58,120.69

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Solution

The fourth proportional to 93,919.14, 129,621.70 and 58,120.69 is: 80,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.14 : 129,621.70 = 58,120.69 : x
  2. Step 2: Convert to fraction form
    93,919.14/129,621.70 = 58,120.69/x
  3. Step 3: Cross multiply
    93,919.14x = 129,621.70 × 58,120.69
  4. Step 4: Simplify right side
    93,919.14x = 7,533,701,994.86
  5. Step 5: Solve for x
    x = 7,533,701,994.86/93,919.14
  6. Step 6: Final answer
    x = 80,214.77

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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.