Home / 90,183.51-124,464.06-52,457.76

Finding the Fourth Proportional to 90,183.51, 124,464.06 and 52,457.76

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Solution

The fourth proportional to 90,183.51, 124,464.06 and 52,457.76 is: 72,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,183.51 : 124,464.06 = 52,457.76 : x
  2. Step 2: Convert to fraction form
    90,183.51/124,464.06 = 52,457.76/x
  3. Step 3: Cross multiply
    90,183.51x = 124,464.06 × 52,457.76
  4. Step 4: Simplify right side
    90,183.51x = 6,529,105,788.11
  5. Step 5: Solve for x
    x = 6,529,105,788.11/90,183.51
  6. Step 6: Final answer
    x = 72,398.00

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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.