Finding the Fourth Proportional to 97,641.99, 134,746.92 and 57,368.70
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Solution
The fourth proportional to 97,641.99, 134,746.92 and 57,368.70 is: 79,169.38
Step by Step Solution
- Step 1: Write the proportion equation
97,641.99 : 134,746.92 = 57,368.70 : x - Step 2: Convert to fraction form
97,641.99/134,746.92 = 57,368.70/x - Step 3: Cross multiply
97,641.99x = 134,746.92 × 57,368.70 - Step 4: Simplify right side
97,641.99x = 7,730,255,629.40 - Step 5: Solve for x
x = 7,730,255,629.40/97,641.99 - Step 6: Final answer
x = 79,169.38
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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.