Finding the Fourth Proportional to 97,123.68, 133,965.36 and 59,332.32
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Solution
The fourth proportional to 97,123.68, 133,965.36 and 59,332.32 is: 81,838.70
Step by Step Solution
- Step 1: Write the proportion equation
97,123.68 : 133,965.36 = 59,332.32 : x - Step 2: Convert to fraction form
97,123.68/133,965.36 = 59,332.32/x - Step 3: Cross multiply
97,123.68x = 133,965.36 × 59,332.32 - Step 4: Simplify right side
97,123.68x = 7,948,475,608.44 - Step 5: Solve for x
x = 7,948,475,608.44/97,123.68 - Step 6: Final answer
x = 81,838.70
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1.5x scale
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.