Finding the Fourth Proportional to 93,946.60, 129,643.50 and 51,503.68
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Solution
The fourth proportional to 93,946.60, 129,643.50 and 51,503.68 is: 71,073.54
Step by Step Solution
- Step 1: Write the proportion equation
93,946.60 : 129,643.50 = 51,503.68 : x - Step 2: Convert to fraction form
93,946.60/129,643.50 = 51,503.68/x - Step 3: Cross multiply
93,946.60x = 129,643.50 × 51,503.68 - Step 4: Simplify right side
93,946.60x = 6,677,117,338.08 - Step 5: Solve for x
x = 6,677,117,338.08/93,946.60 - Step 6: Final answer
x = 71,073.54
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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.