Finding the Fourth Proportional to 124,550.08, 171,878.18 and 70,835.02
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Solution
The fourth proportional to 124,550.08, 171,878.18 and 70,835.02 is: 97,751.80
Step by Step Solution
- Step 1: Write the proportion equation
124,550.08 : 171,878.18 = 70,835.02 : x - Step 2: Convert to fraction form
124,550.08/171,878.18 = 70,835.02/x - Step 3: Cross multiply
124,550.08x = 171,878.18 × 70,835.02 - Step 4: Simplify right side
124,550.08x = 12,174,994,317.86 - Step 5: Solve for x
x = 12,174,994,317.86/124,550.08 - Step 6: Final answer
x = 97,751.80
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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.