Home / 89,045.35-133,356-51,526.36

Finding the Fourth Proportional to 89,045.35, 133,356 and 51,526.36

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Solution

The fourth proportional to 89,045.35, 133,356 and 51,526.36 is: 77,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.35 : 133,356 = 51,526.36 : x
  2. Step 2: Convert to fraction form
    89,045.35/133,356 = 51,526.36/x
  3. Step 3: Cross multiply
    89,045.35x = 133,356 × 51,526.36
  4. Step 4: Simplify right side
    89,045.35x = 6,871,349,264.16
  5. Step 5: Solve for x
    x = 6,871,349,264.16/89,045.35
  6. Step 6: Final answer
    x = 77,166.85

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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.