Home / 92,943.08-128,262.45-50,501.61

Finding the Fourth Proportional to 92,943.08, 128,262.45 and 50,501.61

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Solution

The fourth proportional to 92,943.08, 128,262.45 and 50,501.61 is: 69,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,943.08 : 128,262.45 = 50,501.61 : x
  2. Step 2: Convert to fraction form
    92,943.08/128,262.45 = 50,501.61/x
  3. Step 3: Cross multiply
    92,943.08x = 128,262.45 × 50,501.61
  4. Step 4: Simplify right side
    92,943.08x = 6,477,460,416.93
  5. Step 5: Solve for x
    x = 6,477,460,416.93/92,943.08
  6. Step 6: Final answer
    x = 69,692.77

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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.