Home / 92,918.74-128,229.24-52,631.50

Finding the Fourth Proportional to 92,918.74, 128,229.24 and 52,631.50

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Solution

The fourth proportional to 92,918.74, 128,229.24 and 52,631.50 is: 72,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,918.74 : 128,229.24 = 52,631.50 : x
  2. Step 2: Convert to fraction form
    92,918.74/128,229.24 = 52,631.50/x
  3. Step 3: Cross multiply
    92,918.74x = 128,229.24 × 52,631.50
  4. Step 4: Simplify right side
    92,918.74x = 6,748,897,245.06
  5. Step 5: Solve for x
    x = 6,748,897,245.06/92,918.74
  6. Step 6: Final answer
    x = 72,632.25

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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.