Finding the Fourth Proportional to 97,374.30, 134,398.94 and 57,101.02
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Solution
The fourth proportional to 97,374.30, 134,398.94 and 57,101.02 is: 78,812.55
Step by Step Solution
- Step 1: Write the proportion equation
97,374.30 : 134,398.94 = 57,101.02 : x - Step 2: Convert to fraction form
97,374.30/134,398.94 = 57,101.02/x - Step 3: Cross multiply
97,374.30x = 134,398.94 × 57,101.02 - Step 4: Simplify right side
97,374.30x = 7,674,316,560.92 - Step 5: Solve for x
x = 7,674,316,560.92/97,374.30 - Step 6: Final answer
x = 78,812.55
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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.