Finding the Fourth Proportional to 124,038.08, 171,173.40 and 67,449.68
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Solution
The fourth proportional to 124,038.08, 171,173.40 and 67,449.68 is: 93,081.02
Step by Step Solution
- Step 1: Write the proportion equation
124,038.08 : 171,173.40 = 67,449.68 : x - Step 2: Convert to fraction form
124,038.08/171,173.40 = 67,449.68/x - Step 3: Cross multiply
124,038.08x = 171,173.40 × 67,449.68 - Step 4: Simplify right side
124,038.08x = 11,545,591,054.51 - Step 5: Solve for x
x = 11,545,591,054.51/124,038.08 - Step 6: Final answer
x = 93,081.02
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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.