Finding the Fourth Proportional to 93,570.48, 129,130.45 and 51,131.75
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Solution
The fourth proportional to 93,570.48, 129,130.45 and 51,131.75 is: 70,563.55
Step by Step Solution
- Step 1: Write the proportion equation
93,570.48 : 129,130.45 = 51,131.75 : x - Step 2: Convert to fraction form
93,570.48/129,130.45 = 51,131.75/x - Step 3: Cross multiply
93,570.48x = 129,130.45 × 51,131.75 - Step 4: Simplify right side
93,570.48x = 6,602,665,113.31 - Step 5: Solve for x
x = 6,602,665,113.31/93,570.48 - Step 6: Final answer
x = 70,563.55
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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.