Home / 74,150.08-102,328.44-40,613.92

Finding the Fourth Proportional to 74,150.08, 102,328.44 and 40,613.92

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Solution

The fourth proportional to 74,150.08, 102,328.44 and 40,613.92 is: 56,047.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.08 : 102,328.44 = 40,613.92 : x
  2. Step 2: Convert to fraction form
    74,150.08/102,328.44 = 40,613.92/x
  3. Step 3: Cross multiply
    74,150.08x = 102,328.44 × 40,613.92
  4. Step 4: Simplify right side
    74,150.08x = 4,155,959,075.88
  5. Step 5: Solve for x
    x = 4,155,959,075.88/74,150.08
  6. Step 6: Final answer
    x = 56,047.94

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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.