Finding the Fourth Proportional to 97,356.21, 134,340.06 and 56,510.88
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Solution
The fourth proportional to 97,356.21, 134,340.06 and 56,510.88 is: 77,978.33
Step by Step Solution
- Step 1: Write the proportion equation
97,356.21 : 134,340.06 = 56,510.88 : x - Step 2: Convert to fraction form
97,356.21/134,340.06 = 56,510.88/x - Step 3: Cross multiply
97,356.21x = 134,340.06 × 56,510.88 - Step 4: Simplify right side
97,356.21x = 7,591,675,009.85 - Step 5: Solve for x
x = 7,591,675,009.85/97,356.21 - Step 6: Final answer
x = 77,978.33
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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.