Home / 74,384.16-102,652.24-40,852.32

Finding the Fourth Proportional to 74,384.16, 102,652.24 and 40,852.32

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Solution

The fourth proportional to 74,384.16, 102,652.24 and 40,852.32 is: 56,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,384.16 : 102,652.24 = 40,852.32 : x
  2. Step 2: Convert to fraction form
    74,384.16/102,652.24 = 40,852.32/x
  3. Step 3: Cross multiply
    74,384.16x = 102,652.24 × 40,852.32
  4. Step 4: Simplify right side
    74,384.16x = 4,193,582,157.20
  5. Step 5: Solve for x
    x = 4,193,582,157.20/74,384.16
  6. Step 6: Final answer
    x = 56,377.35

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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.