Finding the Fourth Proportional to 93,070.20, 139,605.31 and 65,044.99
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Solution
The fourth proportional to 93,070.20, 139,605.31 and 65,044.99 is: 97,567.49
Step by Step Solution
- Step 1: Write the proportion equation
93,070.20 : 139,605.31 = 65,044.99 : x - Step 2: Convert to fraction form
93,070.20/139,605.31 = 65,044.99/x - Step 3: Cross multiply
93,070.20x = 139,605.31 × 65,044.99 - Step 4: Simplify right side
93,070.20x = 9,080,625,992.90 - Step 5: Solve for x
x = 9,080,625,992.90/93,070.20 - Step 6: Final answer
x = 97,567.49
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1.5x scale
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.