Finding the Fourth Proportional to 97,117.85, 134,012.98 and 71,637.99
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Solution
The fourth proportional to 97,117.85, 134,012.98 and 71,637.99 is: 98,853.30
Step by Step Solution
- Step 1: Write the proportion equation
97,117.85 : 134,012.98 = 71,637.99 : x - Step 2: Convert to fraction form
97,117.85/134,012.98 = 71,637.99/x - Step 3: Cross multiply
97,117.85x = 134,012.98 × 71,637.99 - Step 4: Simplify right side
97,117.85x = 9,600,420,108.11 - Step 5: Solve for x
x = 9,600,420,108.11/97,117.85 - Step 6: Final answer
x = 98,853.30
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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.