Finding the Fourth Proportional to 85,199.68, 117,547.68 and 51,653.44
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Solution
The fourth proportional to 85,199.68, 117,547.68 and 51,653.44 is: 71,264.85
Step by Step Solution
- Step 1: Write the proportion equation
85,199.68 : 117,547.68 = 51,653.44 : x - Step 2: Convert to fraction form
85,199.68/117,547.68 = 51,653.44/x - Step 3: Cross multiply
85,199.68x = 117,547.68 × 51,653.44 - Step 4: Simplify right side
85,199.68x = 6,071,742,036.02 - Step 5: Solve for x
x = 6,071,742,036.02/85,199.68 - Step 6: Final answer
x = 71,264.85
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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.