Finding the Fourth Proportional to 93,279.18, 139,959.99 and 48,895.32
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Solution
The fourth proportional to 93,279.18, 139,959.99 and 48,895.32 is: 73,364.59
Step by Step Solution
- Step 1: Write the proportion equation
93,279.18 : 139,959.99 = 48,895.32 : x - Step 2: Convert to fraction form
93,279.18/139,959.99 = 48,895.32/x - Step 3: Cross multiply
93,279.18x = 139,959.99 × 48,895.32 - Step 4: Simplify right side
93,279.18x = 6,843,388,498.25 - Step 5: Solve for x
x = 6,843,388,498.25/93,279.18 - Step 6: Final answer
x = 73,364.59
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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.