Home / 90,216.48-124,468.40-52,459.68

Finding the Fourth Proportional to 90,216.48, 124,468.40 and 52,459.68

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Solution

The fourth proportional to 90,216.48, 124,468.40 and 52,459.68 is: 72,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,216.48 : 124,468.40 = 52,459.68 : x
  2. Step 2: Convert to fraction form
    90,216.48/124,468.40 = 52,459.68/x
  3. Step 3: Cross multiply
    90,216.48x = 124,468.40 × 52,459.68
  4. Step 4: Simplify right side
    90,216.48x = 6,529,572,434.11
  5. Step 5: Solve for x
    x = 6,529,572,434.11/90,216.48
  6. Step 6: Final answer
    x = 72,376.71

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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.