Home / 74,032.55-102,164.63-40,041.08

Finding the Fourth Proportional to 74,032.55, 102,164.63 and 40,041.08

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Solution

The fourth proportional to 74,032.55, 102,164.63 and 40,041.08 is: 55,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,032.55 : 102,164.63 = 40,041.08 : x
  2. Step 2: Convert to fraction form
    74,032.55/102,164.63 = 40,041.08/x
  3. Step 3: Cross multiply
    74,032.55x = 102,164.63 × 40,041.08
  4. Step 4: Simplify right side
    74,032.55x = 4,090,782,369.77
  5. Step 5: Solve for x
    x = 4,090,782,369.77/74,032.55
  6. Step 6: Final answer
    x = 55,256.54

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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.