Home / 90,459.40-124,752.26-56,471.03

Finding the Fourth Proportional to 90,459.40, 124,752.26 and 56,471.03

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Solution

The fourth proportional to 90,459.40, 124,752.26 and 56,471.03 is: 77,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,459.40 : 124,752.26 = 56,471.03 : x
  2. Step 2: Convert to fraction form
    90,459.40/124,752.26 = 56,471.03/x
  3. Step 3: Cross multiply
    90,459.40x = 124,752.26 × 56,471.03
  4. Step 4: Simplify right side
    90,459.40x = 7,044,887,710.91
  5. Step 5: Solve for x
    x = 7,044,887,710.91/90,459.40
  6. Step 6: Final answer
    x = 77,879.01

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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.