Finding the Fourth Proportional to 93,862.97, 129,531.35 and 51,421.52
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Solution
The fourth proportional to 93,862.97, 129,531.35 and 51,421.52 is: 70,961.94
Step by Step Solution
- Step 1: Write the proportion equation
93,862.97 : 129,531.35 = 51,421.52 : x - Step 2: Convert to fraction form
93,862.97/129,531.35 = 51,421.52/x - Step 3: Cross multiply
93,862.97x = 129,531.35 × 51,421.52 - Step 4: Simplify right side
93,862.97x = 6,660,698,385.55 - Step 5: Solve for x
x = 6,660,698,385.55/93,862.97 - Step 6: Final answer
x = 70,961.94
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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.