Home / 89,846.08-123,856.32-62,903.68

Finding the Fourth Proportional to 89,846.08, 123,856.32 and 62,903.68

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Solution

The fourth proportional to 89,846.08, 123,856.32 and 62,903.68 is: 86,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,846.08 : 123,856.32 = 62,903.68 : x
  2. Step 2: Convert to fraction form
    89,846.08/123,856.32 = 62,903.68/x
  3. Step 3: Cross multiply
    89,846.08x = 123,856.32 × 62,903.68
  4. Step 4: Simplify right side
    89,846.08x = 7,791,018,319.26
  5. Step 5: Solve for x
    x = 7,791,018,319.26/89,846.08
  6. Step 6: Final answer
    x = 86,715.17

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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.