Finding the Fourth Proportional to 93,743.13, 129,230.93 and 66,838.93
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Solution
The fourth proportional to 93,743.13, 129,230.93 and 66,838.93 is: 92,141.77
Step by Step Solution
- Step 1: Write the proportion equation
93,743.13 : 129,230.93 = 66,838.93 : x - Step 2: Convert to fraction form
93,743.13/129,230.93 = 66,838.93/x - Step 3: Cross multiply
93,743.13x = 129,230.93 × 66,838.93 - Step 4: Simplify right side
93,743.13x = 8,637,657,084.10 - Step 5: Solve for x
x = 8,637,657,084.10/93,743.13 - Step 6: Final answer
x = 92,141.77
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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.