Finding the Fourth Proportional to 97,495.99, 134,545.36 and 57,210.42
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Solution
The fourth proportional to 97,495.99, 134,545.36 and 57,210.42 is: 78,950.90
Step by Step Solution
- Step 1: Write the proportion equation
97,495.99 : 134,545.36 = 57,210.42 : x - Step 2: Convert to fraction form
97,495.99/134,545.36 = 57,210.42/x - Step 3: Cross multiply
97,495.99x = 134,545.36 × 57,210.42 - Step 4: Simplify right side
97,495.99x = 7,697,396,554.65 - Step 5: Solve for x
x = 7,697,396,554.65/97,495.99 - Step 6: Final answer
x = 78,950.90
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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.