Home / 89,048.13-133,360.19-51,529.11

Finding the Fourth Proportional to 89,048.13, 133,360.19 and 51,529.11

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Solution

The fourth proportional to 89,048.13, 133,360.19 and 51,529.11 is: 77,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.13 : 133,360.19 = 51,529.11 : x
  2. Step 2: Convert to fraction form
    89,048.13/133,360.19 = 51,529.11/x
  3. Step 3: Cross multiply
    89,048.13x = 133,360.19 × 51,529.11
  4. Step 4: Simplify right side
    89,048.13x = 6,871,931,642.49
  5. Step 5: Solve for x
    x = 6,871,931,642.49/89,048.13
  6. Step 6: Final answer
    x = 77,170.98

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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.