Finding the Fourth Proportional to 93,779.64, 129,416.49 and 53,492.97
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Solution
The fourth proportional to 93,779.64, 129,416.49 and 53,492.97 is: 73,820.63
Step by Step Solution
- Step 1: Write the proportion equation
93,779.64 : 129,416.49 = 53,492.97 : x - Step 2: Convert to fraction form
93,779.64/129,416.49 = 53,492.97/x - Step 3: Cross multiply
93,779.64x = 129,416.49 × 53,492.97 - Step 4: Simplify right side
93,779.64x = 6,922,872,417.08 - Step 5: Solve for x
x = 6,922,872,417.08/93,779.64 - Step 6: Final answer
x = 73,820.63
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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.