Finding the Fourth Proportional to 97,903.08, 135,108.68 and 57,618.95
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Solution
The fourth proportional to 97,903.08, 135,108.68 and 57,618.95 is: 79,515.57
Step by Step Solution
- Step 1: Write the proportion equation
97,903.08 : 135,108.68 = 57,618.95 : x - Step 2: Convert to fraction form
97,903.08/135,108.68 = 57,618.95/x - Step 3: Cross multiply
97,903.08x = 135,108.68 × 57,618.95 - Step 4: Simplify right side
97,903.08x = 7,784,819,313.85 - Step 5: Solve for x
x = 7,784,819,313.85/97,903.08 - Step 6: Final answer
x = 79,515.57
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1.5x scale
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.