Home / 90,384.63-124,729.54-50,097.52

Finding the Fourth Proportional to 90,384.63, 124,729.54 and 50,097.52

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Solution

The fourth proportional to 90,384.63, 124,729.54 and 50,097.52 is: 69,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.63 : 124,729.54 = 50,097.52 : x
  2. Step 2: Convert to fraction form
    90,384.63/124,729.54 = 50,097.52/x
  3. Step 3: Cross multiply
    90,384.63x = 124,729.54 × 50,097.52
  4. Step 4: Simplify right side
    90,384.63x = 6,248,640,655.41
  5. Step 5: Solve for x
    x = 6,248,640,655.41/90,384.63
  6. Step 6: Final answer
    x = 69,133.89

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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.