Finding the Fourth Proportional to 93,948.48, 129,652.92 and 56,215.44
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Solution
The fourth proportional to 93,948.48, 129,652.92 and 56,215.44 is: 77,579.71
Step by Step Solution
- Step 1: Write the proportion equation
93,948.48 : 129,652.92 = 56,215.44 : x - Step 2: Convert to fraction form
93,948.48/129,652.92 = 56,215.44/x - Step 3: Cross multiply
93,948.48x = 129,652.92 × 56,215.44 - Step 4: Simplify right side
93,948.48x = 7,288,495,945.08 - Step 5: Solve for x
x = 7,288,495,945.08/93,948.48 - Step 6: Final answer
x = 77,579.71
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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.