Finding the Fourth Proportional to 73,419.95, 101,368.28 and 56,393.75
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Solution
The fourth proportional to 73,419.95, 101,368.28 and 56,393.75 is: 77,860.82
Step by Step Solution
- Step 1: Write the proportion equation
73,419.95 : 101,368.28 = 56,393.75 : x - Step 2: Convert to fraction form
73,419.95/101,368.28 = 56,393.75/x - Step 3: Cross multiply
73,419.95x = 101,368.28 × 56,393.75 - Step 4: Simplify right side
73,419.95x = 5,716,537,834.66 - Step 5: Solve for x
x = 5,716,537,834.66/73,419.95 - Step 6: Final answer
x = 77,860.82
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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.