Finding the Fourth Proportional to 97,588.02, 134,656.16 and 56,761.18
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Solution
The fourth proportional to 97,588.02, 134,656.16 and 56,761.18 is: 78,321.52
Step by Step Solution
- Step 1: Write the proportion equation
97,588.02 : 134,656.16 = 56,761.18 : x - Step 2: Convert to fraction form
97,588.02/134,656.16 = 56,761.18/x - Step 3: Cross multiply
97,588.02x = 134,656.16 × 56,761.18 - Step 4: Simplify right side
97,588.02x = 7,643,242,535.87 - Step 5: Solve for x
x = 7,643,242,535.87/97,588.02 - Step 6: Final answer
x = 78,321.52
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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.