Home / 98,073.54-135,337.50-55,631.16

Finding the Fourth Proportional to 98,073.54, 135,337.50 and 55,631.16

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Solution

The fourth proportional to 98,073.54, 135,337.50 and 55,631.16 is: 76,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,073.54 : 135,337.50 = 55,631.16 : x
  2. Step 2: Convert to fraction form
    98,073.54/135,337.50 = 55,631.16/x
  3. Step 3: Cross multiply
    98,073.54x = 135,337.50 × 55,631.16
  4. Step 4: Simplify right side
    98,073.54x = 7,528,982,116.50
  5. Step 5: Solve for x
    x = 7,528,982,116.50/98,073.54
  6. Step 6: Final answer
    x = 76,768.74

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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.