Home / 93,638.24-129,189.12-53,323.42

Finding the Fourth Proportional to 93,638.24, 129,189.12 and 53,323.42

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Solution

The fourth proportional to 93,638.24, 129,189.12 and 53,323.42 is: 73,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,638.24 : 129,189.12 = 53,323.42 : x
  2. Step 2: Convert to fraction form
    93,638.24/129,189.12 = 53,323.42/x
  3. Step 3: Cross multiply
    93,638.24x = 129,189.12 × 53,323.42
  4. Step 4: Simplify right side
    93,638.24x = 6,888,805,705.19
  5. Step 5: Solve for x
    x = 6,888,805,705.19/93,638.24
  6. Step 6: Final answer
    x = 73,568.30

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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.