Home / 88,342.56-121,916.16-50,624.28

Finding the Fourth Proportional to 88,342.56, 121,916.16 and 50,624.28

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Solution

The fourth proportional to 88,342.56, 121,916.16 and 50,624.28 is: 69,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,342.56 : 121,916.16 = 50,624.28 : x
  2. Step 2: Convert to fraction form
    88,342.56/121,916.16 = 50,624.28/x
  3. Step 3: Cross multiply
    88,342.56x = 121,916.16 × 50,624.28
  4. Step 4: Simplify right side
    88,342.56x = 6,171,917,820.36
  5. Step 5: Solve for x
    x = 6,171,917,820.36/88,342.56
  6. Step 6: Final answer
    x = 69,863.47

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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.