Home / 88,018.64-121,472.16-50,292.08

Finding the Fourth Proportional to 88,018.64, 121,472.16 and 50,292.08

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Solution

The fourth proportional to 88,018.64, 121,472.16 and 50,292.08 is: 69,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,018.64 : 121,472.16 = 50,292.08 : x
  2. Step 2: Convert to fraction form
    88,018.64/121,472.16 = 50,292.08/x
  3. Step 3: Cross multiply
    88,018.64x = 121,472.16 × 50,292.08
  4. Step 4: Simplify right side
    88,018.64x = 6,109,087,588.49
  5. Step 5: Solve for x
    x = 6,109,087,588.49/88,018.64
  6. Step 6: Final answer
    x = 69,406.75

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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.