Finding the Fourth Proportional to 93,886.76, 129,567.30 and 53,607.08
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Solution
The fourth proportional to 93,886.76, 129,567.30 and 53,607.08 is: 73,979.81
Step by Step Solution
- Step 1: Write the proportion equation
93,886.76 : 129,567.30 = 53,607.08 : x - Step 2: Convert to fraction form
93,886.76/129,567.30 = 53,607.08/x - Step 3: Cross multiply
93,886.76x = 129,567.30 × 53,607.08 - Step 4: Simplify right side
93,886.76x = 6,945,724,616.48 - Step 5: Solve for x
x = 6,945,724,616.48/93,886.76 - Step 6: Final answer
x = 73,979.81
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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.