Finding the Fourth Proportional to 124,390.48, 171,657.12 and 67,802.08
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Solution
The fourth proportional to 124,390.48, 171,657.12 and 67,802.08 is: 93,565.92
Step by Step Solution
- Step 1: Write the proportion equation
124,390.48 : 171,657.12 = 67,802.08 : x - Step 2: Convert to fraction form
124,390.48/171,657.12 = 67,802.08/x - Step 3: Cross multiply
124,390.48x = 171,657.12 × 67,802.08 - Step 4: Simplify right side
124,390.48x = 11,638,709,782.81 - Step 5: Solve for x
x = 11,638,709,782.81/124,390.48 - Step 6: Final answer
x = 93,565.92
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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.