Finding the Fourth Proportional to 93,503.28, 129,041.44 and 53,230.08
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Solution
The fourth proportional to 93,503.28, 129,041.44 and 53,230.08 is: 73,461.45
Step by Step Solution
- Step 1: Write the proportion equation
93,503.28 : 129,041.44 = 53,230.08 : x - Step 2: Convert to fraction form
93,503.28/129,041.44 = 53,230.08/x - Step 3: Cross multiply
93,503.28x = 129,041.44 × 53,230.08 - Step 4: Simplify right side
93,503.28x = 6,868,886,174.52 - Step 5: Solve for x
x = 6,868,886,174.52/93,503.28 - Step 6: Final answer
x = 73,461.45
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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.