Finding the Fourth Proportional to 124,281.84, 171,508.68 and 67,693.08
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Solution
The fourth proportional to 124,281.84, 171,508.68 and 67,693.08 is: 93,416.31
Step by Step Solution
- Step 1: Write the proportion equation
124,281.84 : 171,508.68 = 67,693.08 : x - Step 2: Convert to fraction form
124,281.84/171,508.68 = 67,693.08/x - Step 3: Cross multiply
124,281.84x = 171,508.68 × 67,693.08 - Step 4: Simplify right side
124,281.84x = 11,609,950,795.93 - Step 5: Solve for x
x = 11,609,950,795.93/124,281.84 - Step 6: Final answer
x = 93,416.31
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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.