Home / 93,017.87-128,350.37-54,779.03

Finding the Fourth Proportional to 93,017.87, 128,350.37 and 54,779.03

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Solution

The fourth proportional to 93,017.87, 128,350.37 and 54,779.03 is: 75,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,017.87 : 128,350.37 = 54,779.03 : x
  2. Step 2: Convert to fraction form
    93,017.87/128,350.37 = 54,779.03/x
  3. Step 3: Cross multiply
    93,017.87x = 128,350.37 × 54,779.03
  4. Step 4: Simplify right side
    93,017.87x = 7,030,907,853.09
  5. Step 5: Solve for x
    x = 7,030,907,853.09/93,017.87
  6. Step 6: Final answer
    x = 75,586.64

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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.