Finding the Fourth Proportional to 97,587.19, 134,671.85 and 57,301.84
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Solution
The fourth proportional to 97,587.19, 134,671.85 and 57,301.84 is: 79,077.44
Step by Step Solution
- Step 1: Write the proportion equation
97,587.19 : 134,671.85 = 57,301.84 : x - Step 2: Convert to fraction form
97,587.19/134,671.85 = 57,301.84/x - Step 3: Cross multiply
97,587.19x = 134,671.85 × 57,301.84 - Step 4: Simplify right side
97,587.19x = 7,716,944,801.20 - Step 5: Solve for x
x = 7,716,944,801.20/97,587.19 - Step 6: Final answer
x = 79,077.44
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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.