Finding the Fourth Proportional to 110,681.74, 152,740.09 and 62,935.09
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Solution
The fourth proportional to 110,681.74, 152,740.09 and 62,935.09 is: 86,850.02
Step by Step Solution
- Step 1: Write the proportion equation
110,681.74 : 152,740.09 = 62,935.09 : x - Step 2: Convert to fraction form
110,681.74/152,740.09 = 62,935.09/x - Step 3: Cross multiply
110,681.74x = 152,740.09 × 62,935.09 - Step 4: Simplify right side
110,681.74x = 9,612,711,310.76 - Step 5: Solve for x
x = 9,612,711,310.76/110,681.74 - Step 6: Final answer
x = 86,850.02
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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.