Finding the Fourth Proportional to 97,772.49, 134,927.96 and 63,802.71
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Solution
The fourth proportional to 97,772.49, 134,927.96 and 63,802.71 is: 88,048.99
Step by Step Solution
- Step 1: Write the proportion equation
97,772.49 : 134,927.96 = 63,802.71 : x - Step 2: Convert to fraction form
97,772.49/134,927.96 = 63,802.71/x - Step 3: Cross multiply
97,772.49x = 134,927.96 × 63,802.71 - Step 4: Simplify right side
97,772.49x = 8,608,769,521.08 - Step 5: Solve for x
x = 8,608,769,521.08/97,772.49 - Step 6: Final answer
x = 88,048.99
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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.