Home / 65,347.28-90,301.83-53,406.26

Finding the Fourth Proportional to 65,347.28, 90,301.83 and 53,406.26

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Solution

The fourth proportional to 65,347.28, 90,301.83 and 53,406.26 is: 73,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,347.28 : 90,301.83 = 53,406.26 : x
  2. Step 2: Convert to fraction form
    65,347.28/90,301.83 = 53,406.26/x
  3. Step 3: Cross multiply
    65,347.28x = 90,301.83 × 53,406.26
  4. Step 4: Simplify right side
    65,347.28x = 4,822,683,011.46
  5. Step 5: Solve for x
    x = 4,822,683,011.46/65,347.28
  6. Step 6: Final answer
    x = 73,800.82

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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.