Finding the Fourth Proportional to 93,029.66, 139,570.95 and 45,658.99
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Solution
The fourth proportional to 93,029.66, 139,570.95 and 45,658.99 is: 68,501.47
Step by Step Solution
- Step 1: Write the proportion equation
93,029.66 : 139,570.95 = 45,658.99 : x - Step 2: Convert to fraction form
93,029.66/139,570.95 = 45,658.99/x - Step 3: Cross multiply
93,029.66x = 139,570.95 × 45,658.99 - Step 4: Simplify right side
93,029.66x = 6,372,668,699.19 - Step 5: Solve for x
x = 6,372,668,699.19/93,029.66 - Step 6: Final answer
x = 68,501.47
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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.