Home / 90,416.28-135,646.98-63,814.24

Finding the Fourth Proportional to 90,416.28, 135,646.98 and 63,814.24

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Solution

The fourth proportional to 90,416.28, 135,646.98 and 63,814.24 is: 95,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,416.28 : 135,646.98 = 63,814.24 : x
  2. Step 2: Convert to fraction form
    90,416.28/135,646.98 = 63,814.24/x
  3. Step 3: Cross multiply
    90,416.28x = 135,646.98 × 63,814.24
  4. Step 4: Simplify right side
    90,416.28x = 8,656,208,937.00
  5. Step 5: Solve for x
    x = 8,656,208,937.00/90,416.28
  6. Step 6: Final answer
    x = 95,737.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.