Finding the Fourth Proportional to 93,880.60, 129,552.42 and 51,437.68
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Solution
The fourth proportional to 93,880.60, 129,552.42 and 51,437.68 is: 70,982.46
Step by Step Solution
- Step 1: Write the proportion equation
93,880.60 : 129,552.42 = 51,437.68 : x - Step 2: Convert to fraction form
93,880.60/129,552.42 = 51,437.68/x - Step 3: Cross multiply
93,880.60x = 129,552.42 × 51,437.68 - Step 4: Simplify right side
93,880.60x = 6,663,875,923.19 - Step 5: Solve for x
x = 6,663,875,923.19/93,880.60 - Step 6: Final answer
x = 70,982.46
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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.