Finding the Fourth Proportional to 93,918.42, 129,606.48 and 51,477.66
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Solution
The fourth proportional to 93,918.42, 129,606.48 and 51,477.66 is: 71,038.66
Step by Step Solution
- Step 1: Write the proportion equation
93,918.42 : 129,606.48 = 51,477.66 : x - Step 2: Convert to fraction form
93,918.42/129,606.48 = 51,477.66/x - Step 3: Cross multiply
93,918.42x = 129,606.48 × 51,477.66 - Step 4: Simplify right side
93,918.42x = 6,671,838,311.24 - Step 5: Solve for x
x = 6,671,838,311.24/93,918.42 - Step 6: Final answer
x = 71,038.66
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1.5x scale
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.