Finding the Fourth Proportional to 124,973.76, 172,464.48 and 68,386.08
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Solution
The fourth proportional to 124,973.76, 172,464.48 and 68,386.08 is: 94,373.17
Step by Step Solution
- Step 1: Write the proportion equation
124,973.76 : 172,464.48 = 68,386.08 : x - Step 2: Convert to fraction form
124,973.76/172,464.48 = 68,386.08/x - Step 3: Cross multiply
124,973.76x = 172,464.48 × 68,386.08 - Step 4: Simplify right side
124,973.76x = 11,794,169,726.44 - Step 5: Solve for x
x = 11,794,169,726.44/124,973.76 - Step 6: Final answer
x = 94,373.17
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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.