Home / 74,285.46-102,520.92-42,448.16

Finding the Fourth Proportional to 74,285.46, 102,520.92 and 42,448.16

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Solution

The fourth proportional to 74,285.46, 102,520.92 and 42,448.16 is: 58,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,285.46 : 102,520.92 = 42,448.16 : x
  2. Step 2: Convert to fraction form
    74,285.46/102,520.92 = 42,448.16/x
  3. Step 3: Cross multiply
    74,285.46x = 102,520.92 × 42,448.16
  4. Step 4: Simplify right side
    74,285.46x = 4,351,824,415.51
  5. Step 5: Solve for x
    x = 4,351,824,415.51/74,285.46
  6. Step 6: Final answer
    x = 58,582.45

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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.