Finding the Fourth Proportional to 75,347.94, 113,132.88 and 42,133.08
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Solution
The fourth proportional to 75,347.94, 113,132.88 and 42,133.08 is: 63,261.67
Step by Step Solution
- Step 1: Write the proportion equation
75,347.94 : 113,132.88 = 42,133.08 : x - Step 2: Convert to fraction form
75,347.94/113,132.88 = 42,133.08/x - Step 3: Cross multiply
75,347.94x = 113,132.88 × 42,133.08 - Step 4: Simplify right side
75,347.94x = 4,766,636,683.67 - Step 5: Solve for x
x = 4,766,636,683.67/75,347.94 - Step 6: Final answer
x = 63,261.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.