Home / 74,392.04-102,663.38-40,858.04

Finding the Fourth Proportional to 74,392.04, 102,663.38 and 40,858.04

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Solution

The fourth proportional to 74,392.04, 102,663.38 and 40,858.04 is: 56,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,392.04 : 102,663.38 = 40,858.04 : x
  2. Step 2: Convert to fraction form
    74,392.04/102,663.38 = 40,858.04/x
  3. Step 3: Cross multiply
    74,392.04x = 102,663.38 × 40,858.04
  4. Step 4: Simplify right side
    74,392.04x = 4,194,624,486.58
  5. Step 5: Solve for x
    x = 4,194,624,486.58/74,392.04
  6. Step 6: Final answer
    x = 56,385.39

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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.