Finding the Fourth Proportional to 77,719.68, 116,547.36 and 24,393.84
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Solution
The fourth proportional to 77,719.68, 116,547.36 and 24,393.84 is: 36,580.67
Step by Step Solution
- Step 1: Write the proportion equation
77,719.68 : 116,547.36 = 24,393.84 : x - Step 2: Convert to fraction form
77,719.68/116,547.36 = 24,393.84/x - Step 3: Cross multiply
77,719.68x = 116,547.36 × 24,393.84 - Step 4: Simplify right side
77,719.68x = 2,843,037,652.26 - Step 5: Solve for x
x = 2,843,037,652.26/77,719.68 - Step 6: Final answer
x = 36,580.67
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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.