Home / 92,861.77-128,157.18-52,582.63

Finding the Fourth Proportional to 92,861.77, 128,157.18 and 52,582.63

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Solution

The fourth proportional to 92,861.77, 128,157.18 and 52,582.63 is: 72,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,861.77 : 128,157.18 = 52,582.63 : x
  2. Step 2: Convert to fraction form
    92,861.77/128,157.18 = 52,582.63/x
  3. Step 3: Cross multiply
    92,861.77x = 128,157.18 × 52,582.63
  4. Step 4: Simplify right side
    92,861.77x = 6,738,841,314.87
  5. Step 5: Solve for x
    x = 6,738,841,314.87/92,861.77
  6. Step 6: Final answer
    x = 72,568.52

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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.