Home / 92,840.12-128,125.70-52,553.76

Finding the Fourth Proportional to 92,840.12, 128,125.70 and 52,553.76

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Solution

The fourth proportional to 92,840.12, 128,125.70 and 52,553.76 is: 72,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,840.12 : 128,125.70 = 52,553.76 : x
  2. Step 2: Convert to fraction form
    92,840.12/128,125.70 = 52,553.76/x
  3. Step 3: Cross multiply
    92,840.12x = 128,125.70 × 52,553.76
  4. Step 4: Simplify right side
    92,840.12x = 6,733,487,287.63
  5. Step 5: Solve for x
    x = 6,733,487,287.63/92,840.12
  6. Step 6: Final answer
    x = 72,527.77

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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.