Finding the Fourth Proportional to 97,289.79, 134,250.06 and 71,810.07
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Solution
The fourth proportional to 97,289.79, 134,250.06 and 71,810.07 is: 99,090.63
Step by Step Solution
- Step 1: Write the proportion equation
97,289.79 : 134,250.06 = 71,810.07 : x - Step 2: Convert to fraction form
97,289.79/134,250.06 = 71,810.07/x - Step 3: Cross multiply
97,289.79x = 134,250.06 × 71,810.07 - Step 4: Simplify right side
97,289.79x = 9,640,506,206.10 - Step 5: Solve for x
x = 9,640,506,206.10/97,289.79 - Step 6: Final answer
x = 99,090.63
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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.