Home / 90,240.55-124,477.47-57,964.30

Finding the Fourth Proportional to 90,240.55, 124,477.47 and 57,964.30

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Solution

The fourth proportional to 90,240.55, 124,477.47 and 57,964.30 is: 79,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,240.55 : 124,477.47 = 57,964.30 : x
  2. Step 2: Convert to fraction form
    90,240.55/124,477.47 = 57,964.30/x
  3. Step 3: Cross multiply
    90,240.55x = 124,477.47 × 57,964.30
  4. Step 4: Simplify right side
    90,240.55x = 7,215,249,103.13
  5. Step 5: Solve for x
    x = 7,215,249,103.13/90,240.55
  6. Step 6: Final answer
    x = 79,955.73

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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.