Finding the Fourth Proportional to 93,216.93, 139,830.95 and 29,187.08
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Solution
The fourth proportional to 93,216.93, 139,830.95 and 29,187.08 is: 43,782.35
Step by Step Solution
- Step 1: Write the proportion equation
93,216.93 : 139,830.95 = 29,187.08 : x - Step 2: Convert to fraction form
93,216.93/139,830.95 = 29,187.08/x - Step 3: Cross multiply
93,216.93x = 139,830.95 × 29,187.08 - Step 4: Simplify right side
93,216.93x = 4,081,256,279.04 - Step 5: Solve for x
x = 4,081,256,279.04/93,216.93 - Step 6: Final answer
x = 43,782.35
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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.