Home / 98,511.60-147,767.40-57,039.60

Finding the Fourth Proportional to 98,511.60, 147,767.40 and 57,039.60

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Solution

The fourth proportional to 98,511.60, 147,767.40 and 57,039.60 is: 85,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,511.60 : 147,767.40 = 57,039.60 : x
  2. Step 2: Convert to fraction form
    98,511.60/147,767.40 = 57,039.60/x
  3. Step 3: Cross multiply
    98,511.60x = 147,767.40 × 57,039.60
  4. Step 4: Simplify right side
    98,511.60x = 8,428,593,389.04
  5. Step 5: Solve for x
    x = 8,428,593,389.04/98,511.60
  6. Step 6: Final answer
    x = 85,559.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.