Finding the Fourth Proportional to 94,429.99, 130,312.96 and 51,988.49
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Solution
The fourth proportional to 94,429.99, 130,312.96 and 51,988.49 is: 71,743.88
Step by Step Solution
- Step 1: Write the proportion equation
94,429.99 : 130,312.96 = 51,988.49 : x - Step 2: Convert to fraction form
94,429.99/130,312.96 = 51,988.49/x - Step 3: Cross multiply
94,429.99x = 130,312.96 × 51,988.49 - Step 4: Simplify right side
94,429.99x = 6,774,774,017.83 - Step 5: Solve for x
x = 6,774,774,017.83/94,429.99 - Step 6: Final answer
x = 71,743.88
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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.