Finding the Fourth Proportional to 93,737.08, 129,359.40 and 53,454.70
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Solution
The fourth proportional to 93,737.08, 129,359.40 and 53,454.70 is: 73,768.76
Step by Step Solution
- Step 1: Write the proportion equation
93,737.08 : 129,359.40 = 53,454.70 : x - Step 2: Convert to fraction form
93,737.08/129,359.40 = 53,454.70/x - Step 3: Cross multiply
93,737.08x = 129,359.40 × 53,454.70 - Step 4: Simplify right side
93,737.08x = 6,914,867,919.18 - Step 5: Solve for x
x = 6,914,867,919.18/93,737.08 - Step 6: Final answer
x = 73,768.76
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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.