Finding the Fourth Proportional to 79,607.84, 119,430.28 and 29,688.08
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Solution
The fourth proportional to 79,607.84, 119,430.28 and 29,688.08 is: 44,539.03
Step by Step Solution
- Step 1: Write the proportion equation
79,607.84 : 119,430.28 = 29,688.08 : x - Step 2: Convert to fraction form
79,607.84/119,430.28 = 29,688.08/x - Step 3: Cross multiply
79,607.84x = 119,430.28 × 29,688.08 - Step 4: Simplify right side
79,607.84x = 3,545,655,707.06 - Step 5: Solve for x
x = 3,545,655,707.06/79,607.84 - Step 6: Final answer
x = 44,539.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.