Home / 89,015.46-133,430.91-55,658.93

Finding the Fourth Proportional to 89,015.46, 133,430.91 and 55,658.93

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Solution

The fourth proportional to 89,015.46, 133,430.91 and 55,658.93 is: 83,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,015.46 : 133,430.91 = 55,658.93 : x
  2. Step 2: Convert to fraction form
    89,015.46/133,430.91 = 55,658.93/x
  3. Step 3: Cross multiply
    89,015.46x = 133,430.91 × 55,658.93
  4. Step 4: Simplify right side
    89,015.46x = 7,426,621,012.37
  5. Step 5: Solve for x
    x = 7,426,621,012.37/89,015.46
  6. Step 6: Final answer
    x = 83,430.69

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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.