Finding the Fourth Proportional to 93,513.18, 129,033.09 and 53,227.62
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Solution
The fourth proportional to 93,513.18, 129,033.09 and 53,227.62 is: 73,445.52
Step by Step Solution
- Step 1: Write the proportion equation
93,513.18 : 129,033.09 = 53,227.62 : x - Step 2: Convert to fraction form
93,513.18/129,033.09 = 53,227.62/x - Step 3: Cross multiply
93,513.18x = 129,033.09 × 53,227.62 - Step 4: Simplify right side
93,513.18x = 6,868,124,281.95 - Step 5: Solve for x
x = 6,868,124,281.95/93,513.18 - Step 6: Final answer
x = 73,445.52
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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.