Finding the Fourth Proportional to 92,931.00, 128,251.13 and 52,645.09
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Solution
The fourth proportional to 92,931.00, 128,251.13 and 52,645.09 is: 72,653.82
Step by Step Solution
- Step 1: Write the proportion equation
92,931.00 : 128,251.13 = 52,645.09 : x - Step 2: Convert to fraction form
92,931.00/128,251.13 = 52,645.09/x - Step 3: Cross multiply
92,931.00x = 128,251.13 × 52,645.09 - Step 4: Simplify right side
92,931.00x = 6,751,792,018.23 - Step 5: Solve for x
x = 6,751,792,018.23/92,931.00 - Step 6: Final answer
x = 72,653.82
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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.