Finding the Fourth Proportional to 93,774.60, 129,430.98 and 61,944.84
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Solution
The fourth proportional to 93,774.60, 129,430.98 and 61,944.84 is: 85,498.43
Step by Step Solution
- Step 1: Write the proportion equation
93,774.60 : 129,430.98 = 61,944.84 : x - Step 2: Convert to fraction form
93,774.60/129,430.98 = 61,944.84/x - Step 3: Cross multiply
93,774.60x = 129,430.98 × 61,944.84 - Step 4: Simplify right side
93,774.60x = 8,017,581,347.14 - Step 5: Solve for x
x = 8,017,581,347.14/93,774.60 - Step 6: Final answer
x = 85,498.43
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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.