Finding the Fourth Proportional to 97,885.75, 135,070.87 and 57,590.65
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Solution
The fourth proportional to 97,885.75, 135,070.87 and 57,590.65 is: 79,468.35
Step by Step Solution
- Step 1: Write the proportion equation
97,885.75 : 135,070.87 = 57,590.65 : x - Step 2: Convert to fraction form
97,885.75/135,070.87 = 57,590.65/x - Step 3: Cross multiply
97,885.75x = 135,070.87 × 57,590.65 - Step 4: Simplify right side
97,885.75x = 7,778,819,199.37 - Step 5: Solve for x
x = 7,778,819,199.37/97,885.75 - Step 6: Final answer
x = 79,468.35
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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.