Finding the Fourth Proportional to 93,845.13, 129,506.34 and 51,403.83
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Solution
The fourth proportional to 93,845.13, 129,506.34 and 51,403.83 is: 70,937.32
Step by Step Solution
- Step 1: Write the proportion equation
93,845.13 : 129,506.34 = 51,403.83 : x - Step 2: Convert to fraction form
93,845.13/129,506.34 = 51,403.83/x - Step 3: Cross multiply
93,845.13x = 129,506.34 × 51,403.83 - Step 4: Simplify right side
93,845.13x = 6,657,121,885.28 - Step 5: Solve for x
x = 6,657,121,885.28/93,845.13 - Step 6: Final answer
x = 70,937.32
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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.