Finding the Fourth Proportional to 74,337.74, 102,560.95 and 42,483.95
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Solution
The fourth proportional to 74,337.74, 102,560.95 and 42,483.95 is: 58,613.49
Step by Step Solution
- Step 1: Write the proportion equation
74,337.74 : 102,560.95 = 42,483.95 : x - Step 2: Convert to fraction form
74,337.74/102,560.95 = 42,483.95/x - Step 3: Cross multiply
74,337.74x = 102,560.95 × 42,483.95 - Step 4: Simplify right side
74,337.74x = 4,357,194,271.75 - Step 5: Solve for x
x = 4,357,194,271.75/74,337.74 - Step 6: Final answer
x = 58,613.49
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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.