Finding the Fourth Proportional to 77,897.08, 107,498.10 and 44,363.08
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Solution
The fourth proportional to 77,897.08, 107,498.10 and 44,363.08 is: 61,221.12
Step by Step Solution
- Step 1: Write the proportion equation
77,897.08 : 107,498.10 = 44,363.08 : x - Step 2: Convert to fraction form
77,897.08/107,498.10 = 44,363.08/x - Step 3: Cross multiply
77,897.08x = 107,498.10 × 44,363.08 - Step 4: Simplify right side
77,897.08x = 4,768,946,810.15 - Step 5: Solve for x
x = 4,768,946,810.15/77,897.08 - Step 6: Final answer
x = 61,221.12
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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.