Finding the Fourth Proportional to 97,909.02, 135,113.94 and 53,197.02
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Solution
The fourth proportional to 97,909.02, 135,113.94 and 53,197.02 is: 73,411.61
Step by Step Solution
- Step 1: Write the proportion equation
97,909.02 : 135,113.94 = 53,197.02 : x - Step 2: Convert to fraction form
97,909.02/135,113.94 = 53,197.02/x - Step 3: Cross multiply
97,909.02x = 135,113.94 × 53,197.02 - Step 4: Simplify right side
97,909.02x = 7,187,658,968.46 - Step 5: Solve for x
x = 7,187,658,968.46/97,909.02 - Step 6: Final answer
x = 73,411.61
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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.