Finding the Fourth Proportional to 97,355.21, 134,338.68 and 56,509.88
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Solution
The fourth proportional to 97,355.21, 134,338.68 and 56,509.88 is: 77,976.95
Step by Step Solution
- Step 1: Write the proportion equation
97,355.21 : 134,338.68 = 56,509.88 : x - Step 2: Convert to fraction form
97,355.21/134,338.68 = 56,509.88/x - Step 3: Cross multiply
97,355.21x = 134,338.68 × 56,509.88 - Step 4: Simplify right side
97,355.21x = 7,591,462,014.47 - Step 5: Solve for x
x = 7,591,462,014.47/97,355.21 - Step 6: Final answer
x = 77,976.95
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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.