Finding the Fourth Proportional to 97,641.23, 134,745.41 and 56,829.54
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Solution
The fourth proportional to 97,641.23, 134,745.41 and 56,829.54 is: 78,425.07
Step by Step Solution
- Step 1: Write the proportion equation
97,641.23 : 134,745.41 = 56,829.54 : x - Step 2: Convert to fraction form
97,641.23/134,745.41 = 56,829.54/x - Step 3: Cross multiply
97,641.23x = 134,745.41 × 56,829.54 - Step 4: Simplify right side
97,641.23x = 7,657,519,809.49 - Step 5: Solve for x
x = 7,657,519,809.49/97,641.23 - Step 6: Final answer
x = 78,425.07
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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.