Finding the Fourth Proportional to 77,966.84, 107,611.98 and 46,154.36
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Solution
The fourth proportional to 77,966.84, 107,611.98 and 46,154.36 is: 63,703.52
Step by Step Solution
- Step 1: Write the proportion equation
77,966.84 : 107,611.98 = 46,154.36 : x - Step 2: Convert to fraction form
77,966.84/107,611.98 = 46,154.36/x - Step 3: Cross multiply
77,966.84x = 107,611.98 × 46,154.36 - Step 4: Simplify right side
77,966.84x = 4,966,762,065.23 - Step 5: Solve for x
x = 4,966,762,065.23/77,966.84 - Step 6: Final answer
x = 63,703.52
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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.