Home / 90,339.64-124,672.69-50,053.39

Finding the Fourth Proportional to 90,339.64, 124,672.69 and 50,053.39

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Solution

The fourth proportional to 90,339.64, 124,672.69 and 50,053.39 is: 69,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,339.64 : 124,672.69 = 50,053.39 : x
  2. Step 2: Convert to fraction form
    90,339.64/124,672.69 = 50,053.39/x
  3. Step 3: Cross multiply
    90,339.64x = 124,672.69 × 50,053.39
  4. Step 4: Simplify right side
    90,339.64x = 6,240,290,774.92
  5. Step 5: Solve for x
    x = 6,240,290,774.92/90,339.64
  6. Step 6: Final answer
    x = 69,075.89

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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.