Finding the Fourth Proportional to 93,949.84, 129,634.98 and 62,107.12
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Solution
The fourth proportional to 93,949.84, 129,634.98 and 62,107.12 is: 85,697.38
Step by Step Solution
- Step 1: Write the proportion equation
93,949.84 : 129,634.98 = 62,107.12 : x - Step 2: Convert to fraction form
93,949.84/129,634.98 = 62,107.12/x - Step 3: Cross multiply
93,949.84x = 129,634.98 × 62,107.12 - Step 4: Simplify right side
93,949.84x = 8,051,255,259.06 - Step 5: Solve for x
x = 8,051,255,259.06/93,949.84 - Step 6: Final answer
x = 85,697.38
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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.