Home / 65,345.28-90,299.07-53,404.26

Finding the Fourth Proportional to 65,345.28, 90,299.07 and 53,404.26

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Solution

The fourth proportional to 65,345.28, 90,299.07 and 53,404.26 is: 73,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,345.28 : 90,299.07 = 53,404.26 : x
  2. Step 2: Convert to fraction form
    65,345.28/90,299.07 = 53,404.26/x
  3. Step 3: Cross multiply
    65,345.28x = 90,299.07 × 53,404.26
  4. Step 4: Simplify right side
    65,345.28x = 4,822,355,012.04
  5. Step 5: Solve for x
    x = 4,822,355,012.04/65,345.28
  6. Step 6: Final answer
    x = 73,798.06

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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.