Finding the Fourth Proportional to 97,574.99, 134,605.28 and 67,391.15
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Solution
The fourth proportional to 97,574.99, 134,605.28 and 67,391.15 is: 92,966.49
Step by Step Solution
- Step 1: Write the proportion equation
97,574.99 : 134,605.28 = 67,391.15 : x - Step 2: Convert to fraction form
97,574.99/134,605.28 = 67,391.15/x - Step 3: Cross multiply
97,574.99x = 134,605.28 × 67,391.15 - Step 4: Simplify right side
97,574.99x = 9,071,204,278.32 - Step 5: Solve for x
x = 9,071,204,278.32/97,574.99 - Step 6: Final answer
x = 92,966.49
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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.