Home / 90,393.19-124,729.49-50,106.94

Finding the Fourth Proportional to 90,393.19, 124,729.49 and 50,106.94

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Solution

The fourth proportional to 90,393.19, 124,729.49 and 50,106.94 is: 69,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,393.19 : 124,729.49 = 50,106.94 : x
  2. Step 2: Convert to fraction form
    90,393.19/124,729.49 = 50,106.94/x
  3. Step 3: Cross multiply
    90,393.19x = 124,729.49 × 50,106.94
  4. Step 4: Simplify right side
    90,393.19x = 6,249,812,885.10
  5. Step 5: Solve for x
    x = 6,249,812,885.10/90,393.19
  6. Step 6: Final answer
    x = 69,140.31

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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.