Home / 90,457.26-124,749.35-56,468.88

Finding the Fourth Proportional to 90,457.26, 124,749.35 and 56,468.88

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Solution

The fourth proportional to 90,457.26, 124,749.35 and 56,468.88 is: 77,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457.26 : 124,749.35 = 56,468.88 : x
  2. Step 2: Convert to fraction form
    90,457.26/124,749.35 = 56,468.88/x
  3. Step 3: Cross multiply
    90,457.26x = 124,749.35 × 56,468.88
  4. Step 4: Simplify right side
    90,457.26x = 7,044,456,004.64
  5. Step 5: Solve for x
    x = 7,044,456,004.64/90,457.26
  6. Step 6: Final answer
    x = 77,876.07

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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.