Finding the Fourth Proportional to 97,190.76, 134,123.52 and 56,362.80
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Solution
The fourth proportional to 97,190.76, 134,123.52 and 56,362.80 is: 77,780.82
Step by Step Solution
- Step 1: Write the proportion equation
97,190.76 : 134,123.52 = 56,362.80 : x - Step 2: Convert to fraction form
97,190.76/134,123.52 = 56,362.80/x - Step 3: Cross multiply
97,190.76x = 134,123.52 × 56,362.80 - Step 4: Simplify right side
97,190.76x = 7,559,577,133.06 - Step 5: Solve for x
x = 7,559,577,133.06/97,190.76 - Step 6: Final answer
x = 77,780.82
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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.