Finding the Fourth Proportional to 107,545.52, 148,403.95 and 63,336.08
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Solution
The fourth proportional to 107,545.52, 148,403.95 and 63,336.08 is: 87,398.56
Step by Step Solution
- Step 1: Write the proportion equation
107,545.52 : 148,403.95 = 63,336.08 : x - Step 2: Convert to fraction form
107,545.52/148,403.95 = 63,336.08/x - Step 3: Cross multiply
107,545.52x = 148,403.95 × 63,336.08 - Step 4: Simplify right side
107,545.52x = 9,399,323,827.41 - Step 5: Solve for x
x = 9,399,323,827.41/107,545.52 - Step 6: Final answer
x = 87,398.56
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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.