Home / 109,575.59-151,214.18-61,828.92

Finding the Fourth Proportional to 109,575.59, 151,214.18 and 61,828.92

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Solution

The fourth proportional to 109,575.59, 151,214.18 and 61,828.92 is: 85,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,575.59 : 151,214.18 = 61,828.92 : x
  2. Step 2: Convert to fraction form
    109,575.59/151,214.18 = 61,828.92/x
  3. Step 3: Cross multiply
    109,575.59x = 151,214.18 × 61,828.92
  4. Step 4: Simplify right side
    109,575.59x = 9,349,409,128.94
  5. Step 5: Solve for x
    x = 9,349,409,128.94/109,575.59
  6. Step 6: Final answer
    x = 85,323.83

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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.