Finding the Fourth Proportional to 91,030.36, 136,607.46 and 55,862.68
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Solution
The fourth proportional to 91,030.36, 136,607.46 and 55,862.68 is: 83,832.02
Step by Step Solution
- Step 1: Write the proportion equation
91,030.36 : 136,607.46 = 55,862.68 : x - Step 2: Convert to fraction form
91,030.36/136,607.46 = 55,862.68/x - Step 3: Cross multiply
91,030.36x = 136,607.46 × 55,862.68 - Step 4: Simplify right side
91,030.36x = 7,631,258,823.59 - Step 5: Solve for x
x = 7,631,258,823.59/91,030.36 - Step 6: Final answer
x = 83,832.02
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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.