Finding the Fourth Proportional to 93,291.12, 139,933.08 and 26,731.08
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Solution
The fourth proportional to 93,291.12, 139,933.08 and 26,731.08 is: 40,095.59
Step by Step Solution
- Step 1: Write the proportion equation
93,291.12 : 139,933.08 = 26,731.08 : x - Step 2: Convert to fraction form
93,291.12/139,933.08 = 26,731.08/x - Step 3: Cross multiply
93,291.12x = 139,933.08 × 26,731.08 - Step 4: Simplify right side
93,291.12x = 3,740,562,356.13 - Step 5: Solve for x
x = 3,740,562,356.13/93,291.12 - Step 6: Final answer
x = 40,095.59
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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.