Finding the Fourth Proportional to 85,288.14, 117,646.83 and 62,587.08
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Solution
The fourth proportional to 85,288.14, 117,646.83 and 62,587.08 is: 86,332.89
Step by Step Solution
- Step 1: Write the proportion equation
85,288.14 : 117,646.83 = 62,587.08 : x - Step 2: Convert to fraction form
85,288.14/117,646.83 = 62,587.08/x - Step 3: Cross multiply
85,288.14x = 117,646.83 × 62,587.08 - Step 4: Simplify right side
85,288.14x = 7,363,171,560.96 - Step 5: Solve for x
x = 7,363,171,560.96/85,288.14 - Step 6: Final answer
x = 86,332.89
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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.