Home / 88,011.64-121,462.50-50,285.08

Finding the Fourth Proportional to 88,011.64, 121,462.50 and 50,285.08

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Solution

The fourth proportional to 88,011.64, 121,462.50 and 50,285.08 is: 69,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,011.64 : 121,462.50 = 50,285.08 : x
  2. Step 2: Convert to fraction form
    88,011.64/121,462.50 = 50,285.08/x
  3. Step 3: Cross multiply
    88,011.64x = 121,462.50 × 50,285.08
  4. Step 4: Simplify right side
    88,011.64x = 6,107,751,529.50
  5. Step 5: Solve for x
    x = 6,107,751,529.50/88,011.64
  6. Step 6: Final answer
    x = 69,397.09

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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.