Finding the Fourth Proportional to 77,257.80, 115,904.67 and 23,946.95
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Solution
The fourth proportional to 77,257.80, 115,904.67 and 23,946.95 is: 35,925.99
Step by Step Solution
- Step 1: Write the proportion equation
77,257.80 : 115,904.67 = 23,946.95 : x - Step 2: Convert to fraction form
77,257.80/115,904.67 = 23,946.95/x - Step 3: Cross multiply
77,257.80x = 115,904.67 × 23,946.95 - Step 4: Simplify right side
77,257.80x = 2,775,563,192.38 - Step 5: Solve for x
x = 2,775,563,192.38/77,257.80 - Step 6: Final answer
x = 35,925.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.