Finding the Fourth Proportional to 93,149.19, 128,541.33 and 52,866.68
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Solution
The fourth proportional to 93,149.19, 128,541.33 and 52,866.68 is: 72,953.43
Step by Step Solution
- Step 1: Write the proportion equation
93,149.19 : 128,541.33 = 52,866.68 : x - Step 2: Convert to fraction form
93,149.19/128,541.33 = 52,866.68/x - Step 3: Cross multiply
93,149.19x = 128,541.33 × 52,866.68 - Step 4: Simplify right side
93,149.19x = 6,795,552,717.18 - Step 5: Solve for x
x = 6,795,552,717.18/93,149.19 - Step 6: Final answer
x = 72,953.43
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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.