Finding the Fourth Proportional to 77,484.13, 106,929.68 and 43,495.07
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Solution
The fourth proportional to 77,484.13, 106,929.68 and 43,495.07 is: 60,024.08
Step by Step Solution
- Step 1: Write the proportion equation
77,484.13 : 106,929.68 = 43,495.07 : x - Step 2: Convert to fraction form
77,484.13/106,929.68 = 43,495.07/x - Step 3: Cross multiply
77,484.13x = 106,929.68 × 43,495.07 - Step 4: Simplify right side
77,484.13x = 4,650,913,164.55 - Step 5: Solve for x
x = 4,650,913,164.55/77,484.13 - Step 6: Final answer
x = 60,024.08
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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.