Finding the Fourth Proportional to 93,852.36, 129,518.35 and 53,565.31
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Solution
The fourth proportional to 93,852.36, 129,518.35 and 53,565.31 is: 73,921.32
Step by Step Solution
- Step 1: Write the proportion equation
93,852.36 : 129,518.35 = 53,565.31 : x - Step 2: Convert to fraction form
93,852.36/129,518.35 = 53,565.31/x - Step 3: Cross multiply
93,852.36x = 129,518.35 × 53,565.31 - Step 4: Simplify right side
93,852.36x = 6,937,690,110.73 - Step 5: Solve for x
x = 6,937,690,110.73/93,852.36 - Step 6: Final answer
x = 73,921.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.