Finding the Fourth Proportional to 93,838.19, 129,495.46 and 51,396.76
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Solution
The fourth proportional to 93,838.19, 129,495.46 and 51,396.76 is: 70,926.84
Step by Step Solution
- Step 1: Write the proportion equation
93,838.19 : 129,495.46 = 51,396.76 : x - Step 2: Convert to fraction form
93,838.19/129,495.46 = 51,396.76/x - Step 3: Cross multiply
93,838.19x = 129,495.46 × 51,396.76 - Step 4: Simplify right side
93,838.19x = 6,655,646,174.25 - Step 5: Solve for x
x = 6,655,646,174.25/93,838.19 - Step 6: Final answer
x = 70,926.84
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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.