Finding the Fourth Proportional to 93,767.76, 129,403.08 and 53,488.08
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Solution
The fourth proportional to 93,767.76, 129,403.08 and 53,488.08 is: 73,815.59
Step by Step Solution
- Step 1: Write the proportion equation
93,767.76 : 129,403.08 = 53,488.08 : x - Step 2: Convert to fraction form
93,767.76/129,403.08 = 53,488.08/x - Step 3: Cross multiply
93,767.76x = 129,403.08 × 53,488.08 - Step 4: Simplify right side
93,767.76x = 6,921,522,295.29 - Step 5: Solve for x
x = 6,921,522,295.29/93,767.76 - Step 6: Final answer
x = 73,815.59
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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.