Home / 93,030.30-128,383.38-50,590.08

Finding the Fourth Proportional to 93,030.30, 128,383.38 and 50,590.08

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Solution

The fourth proportional to 93,030.30, 128,383.38 and 50,590.08 is: 69,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,030.30 : 128,383.38 = 50,590.08 : x
  2. Step 2: Convert to fraction form
    93,030.30/128,383.38 = 50,590.08/x
  3. Step 3: Cross multiply
    93,030.30x = 128,383.38 × 50,590.08
  4. Step 4: Simplify right side
    93,030.30x = 6,494,925,464.87
  5. Step 5: Solve for x
    x = 6,494,925,464.87/93,030.30
  6. Step 6: Final answer
    x = 69,815.16

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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.