Finding the Fourth Proportional to 92,071.74, 127,068.76 and 56,282.70
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Solution
The fourth proportional to 92,071.74, 127,068.76 and 56,282.70 is: 77,676.09
Step by Step Solution
- Step 1: Write the proportion equation
92,071.74 : 127,068.76 = 56,282.70 : x - Step 2: Convert to fraction form
92,071.74/127,068.76 = 56,282.70/x - Step 3: Cross multiply
92,071.74x = 127,068.76 × 56,282.70 - Step 4: Simplify right side
92,071.74x = 7,151,772,898.45 - Step 5: Solve for x
x = 7,151,772,898.45/92,071.74 - Step 6: Final answer
x = 77,676.09
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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.