Finding the Fourth Proportional to 117,670.95, 162,386.91 and 63,955.98
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Solution
The fourth proportional to 117,670.95, 162,386.91 and 63,955.98 is: 88,259.80
Step by Step Solution
- Step 1: Write the proportion equation
117,670.95 : 162,386.91 = 63,955.98 : x - Step 2: Convert to fraction form
117,670.95/162,386.91 = 63,955.98/x - Step 3: Cross multiply
117,670.95x = 162,386.91 × 63,955.98 - Step 4: Simplify right side
117,670.95x = 10,385,613,968.22 - Step 5: Solve for x
x = 10,385,613,968.22/117,670.95 - Step 6: Final answer
x = 88,259.80
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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.