Home / 89,278.04-133,968.98-40,030.04

Finding the Fourth Proportional to 89,278.04, 133,968.98 and 40,030.04

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Solution

The fourth proportional to 89,278.04, 133,968.98 and 40,030.04 is: 60,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.04 : 133,968.98 = 40,030.04 : x
  2. Step 2: Convert to fraction form
    89,278.04/133,968.98 = 40,030.04/x
  3. Step 3: Cross multiply
    89,278.04x = 133,968.98 × 40,030.04
  4. Step 4: Simplify right side
    89,278.04x = 5,362,783,628.16
  5. Step 5: Solve for x
    x = 5,362,783,628.16/89,278.04
  6. Step 6: Final answer
    x = 60,068.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.