Finding the Fourth Proportional to 74,724.04, 103,125.35 and 42,899.08
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Solution
The fourth proportional to 74,724.04, 103,125.35 and 42,899.08 is: 59,204.28
Step by Step Solution
- Step 1: Write the proportion equation
74,724.04 : 103,125.35 = 42,899.08 : x - Step 2: Convert to fraction form
74,724.04/103,125.35 = 42,899.08/x - Step 3: Cross multiply
74,724.04x = 103,125.35 × 42,899.08 - Step 4: Simplify right side
74,724.04x = 4,423,982,639.68 - Step 5: Solve for x
x = 4,423,982,639.68/74,724.04 - Step 6: Final answer
x = 59,204.28
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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.