Home / 63,216.16-87,246.66-61,139.12

Finding the Fourth Proportional to 63,216.16, 87,246.66 and 61,139.12

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Solution

The fourth proportional to 63,216.16, 87,246.66 and 61,139.12 is: 84,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,216.16 : 87,246.66 = 61,139.12 : x
  2. Step 2: Convert to fraction form
    63,216.16/87,246.66 = 61,139.12/x
  3. Step 3: Cross multiply
    63,216.16x = 87,246.66 × 61,139.12
  4. Step 4: Simplify right side
    63,216.16x = 5,334,184,015.34
  5. Step 5: Solve for x
    x = 5,334,184,015.34/63,216.16
  6. Step 6: Final answer
    x = 84,380.07

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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.