Home / 90,088.89-124,322.64-50,344.89

Finding the Fourth Proportional to 90,088.89, 124,322.64 and 50,344.89

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Solution

The fourth proportional to 90,088.89, 124,322.64 and 50,344.89 is: 69,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,088.89 : 124,322.64 = 50,344.89 : x
  2. Step 2: Convert to fraction form
    90,088.89/124,322.64 = 50,344.89/x
  3. Step 3: Cross multiply
    90,088.89x = 124,322.64 × 50,344.89
  4. Step 4: Simplify right side
    90,088.89x = 6,259,009,635.31
  5. Step 5: Solve for x
    x = 6,259,009,635.31/90,088.89
  6. Step 6: Final answer
    x = 69,475.93

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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.