Home / 89,334.14-133,980.74-53,320.75

Finding the Fourth Proportional to 89,334.14, 133,980.74 and 53,320.75

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Solution

The fourth proportional to 89,334.14, 133,980.74 and 53,320.75 is: 79,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,334.14 : 133,980.74 = 53,320.75 : x
  2. Step 2: Convert to fraction form
    89,334.14/133,980.74 = 53,320.75/x
  3. Step 3: Cross multiply
    89,334.14x = 133,980.74 × 53,320.75
  4. Step 4: Simplify right side
    89,334.14x = 7,143,953,542.36
  5. Step 5: Solve for x
    x = 7,143,953,542.36/89,334.14
  6. Step 6: Final answer
    x = 79,968.91

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1.5x scale

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.