Home / 93,219.87-128,638.86-52,932.77

Finding the Fourth Proportional to 93,219.87, 128,638.86 and 52,932.77

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Solution

The fourth proportional to 93,219.87, 128,638.86 and 52,932.77 is: 73,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,219.87 : 128,638.86 = 52,932.77 : x
  2. Step 2: Convert to fraction form
    93,219.87/128,638.86 = 52,932.77/x
  3. Step 3: Cross multiply
    93,219.87x = 128,638.86 × 52,932.77
  4. Step 4: Simplify right side
    93,219.87x = 6,809,210,979.02
  5. Step 5: Solve for x
    x = 6,809,210,979.02/93,219.87
  6. Step 6: Final answer
    x = 73,044.63

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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.