Home / 93,298.20-128,751-50,856.36

Finding the Fourth Proportional to 93,298.20, 128,751 and 50,856.36

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Solution

The fourth proportional to 93,298.20, 128,751 and 50,856.36 is: 70,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,298.20 : 128,751 = 50,856.36 : x
  2. Step 2: Convert to fraction form
    93,298.20/128,751 = 50,856.36/x
  3. Step 3: Cross multiply
    93,298.20x = 128,751 × 50,856.36
  4. Step 4: Simplify right side
    93,298.20x = 6,547,807,206.36
  5. Step 5: Solve for x
    x = 6,547,807,206.36/93,298.20
  6. Step 6: Final answer
    x = 70,181.50

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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.