Finding the Fourth Proportional to 93,557.08, 129,117.54 and 51,121.90
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Solution
The fourth proportional to 93,557.08, 129,117.54 and 51,121.90 is: 70,553.01
Step by Step Solution
- Step 1: Write the proportion equation
93,557.08 : 129,117.54 = 51,121.90 : x - Step 2: Convert to fraction form
93,557.08/129,117.54 = 51,121.90/x - Step 3: Cross multiply
93,557.08x = 129,117.54 × 51,121.90 - Step 4: Simplify right side
93,557.08x = 6,600,733,968.13 - Step 5: Solve for x
x = 6,600,733,968.13/93,557.08 - Step 6: Final answer
x = 70,553.01
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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.