Finding the Fourth Proportional to 70,038.99, 104,512.22 and 62,490.66
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Solution
The fourth proportional to 70,038.99, 104,512.22 and 62,490.66 is: 93,248.59
Step by Step Solution
- Step 1: Write the proportion equation
70,038.99 : 104,512.22 = 62,490.66 : x - Step 2: Convert to fraction form
70,038.99/104,512.22 = 62,490.66/x - Step 3: Cross multiply
70,038.99x = 104,512.22 × 62,490.66 - Step 4: Simplify right side
70,038.99x = 6,531,037,293.41 - Step 5: Solve for x
x = 6,531,037,293.41/70,038.99 - Step 6: Final answer
x = 93,248.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.