Finding the Fourth Proportional to 74,875.41, 103,325.35 and 40,883.29
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Solution
The fourth proportional to 74,875.41, 103,325.35 and 40,883.29 is: 56,417.46
Step by Step Solution
- Step 1: Write the proportion equation
74,875.41 : 103,325.35 = 40,883.29 : x - Step 2: Convert to fraction form
74,875.41/103,325.35 = 40,883.29/x - Step 3: Cross multiply
74,875.41x = 103,325.35 × 40,883.29 - Step 4: Simplify right side
74,875.41x = 4,224,280,248.40 - Step 5: Solve for x
x = 4,224,280,248.40/74,875.41 - Step 6: Final answer
x = 56,417.46
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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.