Finding the Fourth Proportional to 93,630.06, 129,209.76 and 51,188.94
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Solution
The fourth proportional to 93,630.06, 129,209.76 and 51,188.94 is: 70,640.89
Step by Step Solution
- Step 1: Write the proportion equation
93,630.06 : 129,209.76 = 51,188.94 : x - Step 2: Convert to fraction form
93,630.06/129,209.76 = 51,188.94/x - Step 3: Cross multiply
93,630.06x = 129,209.76 × 51,188.94 - Step 4: Simplify right side
93,630.06x = 6,614,110,652.05 - Step 5: Solve for x
x = 6,614,110,652.05/93,630.06 - Step 6: Final answer
x = 70,640.89
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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.