Finding the Fourth Proportional to 97,656.70, 134,750.29 and 56,829.97
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Solution
The fourth proportional to 97,656.70, 134,750.29 and 56,829.97 is: 78,416.07
Step by Step Solution
- Step 1: Write the proportion equation
97,656.70 : 134,750.29 = 56,829.97 : x - Step 2: Convert to fraction form
97,656.70/134,750.29 = 56,829.97/x - Step 3: Cross multiply
97,656.70x = 134,750.29 × 56,829.97 - Step 4: Simplify right side
97,656.70x = 7,657,854,938.19 - Step 5: Solve for x
x = 7,657,854,938.19/97,656.70 - Step 6: Final answer
x = 78,416.07
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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.