Finding the Fourth Proportional to 77,324.75, 106,706.35 and 45,495.71
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Solution
The fourth proportional to 77,324.75, 106,706.35 and 45,495.71 is: 62,783.02
Step by Step Solution
- Step 1: Write the proportion equation
77,324.75 : 106,706.35 = 45,495.71 : x - Step 2: Convert to fraction form
77,324.75/106,706.35 = 45,495.71/x - Step 3: Cross multiply
77,324.75x = 106,706.35 × 45,495.71 - Step 4: Simplify right side
77,324.75x = 4,854,681,154.76 - Step 5: Solve for x
x = 4,854,681,154.76/77,324.75 - Step 6: Final answer
x = 62,783.02
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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.