Home / 75,477.13-104,131.88-45,272.23

Finding the Fourth Proportional to 75,477.13, 104,131.88 and 45,272.23

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Solution

The fourth proportional to 75,477.13, 104,131.88 and 45,272.23 is: 62,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.13 : 104,131.88 = 45,272.23 : x
  2. Step 2: Convert to fraction form
    75,477.13/104,131.88 = 45,272.23/x
  3. Step 3: Cross multiply
    75,477.13x = 104,131.88 × 45,272.23
  4. Step 4: Simplify right side
    75,477.13x = 4,714,281,901.03
  5. Step 5: Solve for x
    x = 4,714,281,901.03/75,477.13
  6. Step 6: Final answer
    x = 62,459.74

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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.