Finding the Fourth Proportional to 97,574.81, 145,537.77 and 94,621.55
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Solution
The fourth proportional to 97,574.81, 145,537.77 and 94,621.55 is: 141,132.83
Step by Step Solution
- Step 1: Write the proportion equation
97,574.81 : 145,537.77 = 94,621.55 : x - Step 2: Convert to fraction form
97,574.81/145,537.77 = 94,621.55/x - Step 3: Cross multiply
97,574.81x = 145,537.77 × 94,621.55 - Step 4: Simplify right side
97,574.81x = 13,771,008,653.25 - Step 5: Solve for x
x = 13,771,008,653.25/97,574.81 - Step 6: Final answer
x = 141,132.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.