Finding the Fourth Proportional to 76,282.24, 105,266.64 and 42,746.08
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Solution
The fourth proportional to 76,282.24, 105,266.64 and 42,746.08 is: 58,987.99
Step by Step Solution
- Step 1: Write the proportion equation
76,282.24 : 105,266.64 = 42,746.08 : x - Step 2: Convert to fraction form
76,282.24/105,266.64 = 42,746.08/x - Step 3: Cross multiply
76,282.24x = 105,266.64 × 42,746.08 - Step 4: Simplify right side
76,282.24x = 4,499,736,214.77 - Step 5: Solve for x
x = 4,499,736,214.77/76,282.24 - Step 6: Final answer
x = 58,987.99
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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.