Finding the Fourth Proportional to 77,567.74, 107,044.93 and 43,115.70
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Solution
The fourth proportional to 77,567.74, 107,044.93 and 43,115.70 is: 59,500.47
Step by Step Solution
- Step 1: Write the proportion equation
77,567.74 : 107,044.93 = 43,115.70 : x - Step 2: Convert to fraction form
77,567.74/107,044.93 = 43,115.70/x - Step 3: Cross multiply
77,567.74x = 107,044.93 × 43,115.70 - Step 4: Simplify right side
77,567.74x = 4,615,317,088.40 - Step 5: Solve for x
x = 4,615,317,088.40/77,567.74 - Step 6: Final answer
x = 59,500.47
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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.