Home / 89,040.35-133,348.50-51,521.36

Finding the Fourth Proportional to 89,040.35, 133,348.50 and 51,521.36

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Solution

The fourth proportional to 89,040.35, 133,348.50 and 51,521.36 is: 77,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,040.35 : 133,348.50 = 51,521.36 : x
  2. Step 2: Convert to fraction form
    89,040.35/133,348.50 = 51,521.36/x
  3. Step 3: Cross multiply
    89,040.35x = 133,348.50 × 51,521.36
  4. Step 4: Simplify right side
    89,040.35x = 6,870,295,407.22
  5. Step 5: Solve for x
    x = 6,870,295,407.22/89,040.35
  6. Step 6: Final answer
    x = 77,159.35

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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.