Finding the Fourth Proportional to 93,351.60, 139,985.28 and 26,776.62
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Solution
The fourth proportional to 93,351.60, 139,985.28 and 26,776.62 is: 40,152.85
Step by Step Solution
- Step 1: Write the proportion equation
93,351.60 : 139,985.28 = 26,776.62 : x - Step 2: Convert to fraction form
93,351.60/139,985.28 = 26,776.62/x - Step 3: Cross multiply
93,351.60x = 139,985.28 × 26,776.62 - Step 4: Simplify right side
93,351.60x = 3,748,332,648.15 - Step 5: Solve for x
x = 3,748,332,648.15/93,351.60 - Step 6: Final answer
x = 40,152.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.