Finding the Fourth Proportional to 93,659.49, 129,197.48 and 57,823.98
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Solution
The fourth proportional to 93,659.49, 129,197.48 and 57,823.98 is: 79,764.60
Step by Step Solution
- Step 1: Write the proportion equation
93,659.49 : 129,197.48 = 57,823.98 : x - Step 2: Convert to fraction form
93,659.49/129,197.48 = 57,823.98/x - Step 3: Cross multiply
93,659.49x = 129,197.48 × 57,823.98 - Step 4: Simplify right side
93,659.49x = 7,470,712,051.22 - Step 5: Solve for x
x = 7,470,712,051.22/93,659.49 - Step 6: Final answer
x = 79,764.60
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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.