Finding the Fourth Proportional to 124,605.28, 171,959.18 and 70,898.03
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Solution
The fourth proportional to 124,605.28, 171,959.18 and 70,898.03 is: 97,841.49
Step by Step Solution
- Step 1: Write the proportion equation
124,605.28 : 171,959.18 = 70,898.03 : x - Step 2: Convert to fraction form
124,605.28/171,959.18 = 70,898.03/x - Step 3: Cross multiply
124,605.28x = 171,959.18 × 70,898.03 - Step 4: Simplify right side
124,605.28x = 12,191,565,888.13 - Step 5: Solve for x
x = 12,191,565,888.13/124,605.28 - Step 6: Final answer
x = 97,841.49
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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.