Finding the Fourth Proportional to 125,014.91, 172,509.68 and 70,564.07
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Solution
The fourth proportional to 125,014.91, 172,509.68 and 70,564.07 is: 97,372.28
Step by Step Solution
- Step 1: Write the proportion equation
125,014.91 : 172,509.68 = 70,564.07 : x - Step 2: Convert to fraction form
125,014.91/172,509.68 = 70,564.07/x - Step 3: Cross multiply
125,014.91x = 172,509.68 × 70,564.07 - Step 4: Simplify right side
125,014.91x = 12,172,985,742.88 - Step 5: Solve for x
x = 12,172,985,742.88/125,014.91 - Step 6: Final answer
x = 97,372.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.