Finding the Fourth Proportional to 97,539.21, 134,599.68 and 61,259.40
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Solution
The fourth proportional to 97,539.21, 134,599.68 and 61,259.40 is: 84,535.19
Step by Step Solution
- Step 1: Write the proportion equation
97,539.21 : 134,599.68 = 61,259.40 : x - Step 2: Convert to fraction form
97,539.21/134,599.68 = 61,259.40/x - Step 3: Cross multiply
97,539.21x = 134,599.68 × 61,259.40 - Step 4: Simplify right side
97,539.21x = 8,245,495,636.99 - Step 5: Solve for x
x = 8,245,495,636.99/97,539.21 - Step 6: Final answer
x = 84,535.19
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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.