Home / 88,045.52-121,501.64-50,318.80

Finding the Fourth Proportional to 88,045.52, 121,501.64 and 50,318.80

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Solution

The fourth proportional to 88,045.52, 121,501.64 and 50,318.80 is: 69,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,045.52 : 121,501.64 = 50,318.80 : x
  2. Step 2: Convert to fraction form
    88,045.52/121,501.64 = 50,318.80/x
  3. Step 3: Cross multiply
    88,045.52x = 121,501.64 × 50,318.80
  4. Step 4: Simplify right side
    88,045.52x = 6,113,816,722.83
  5. Step 5: Solve for x
    x = 6,113,816,722.83/88,045.52
  6. Step 6: Final answer
    x = 69,439.27

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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.