Home / 70,155.13-96,812.87-38,323.21

Finding the Fourth Proportional to 70,155.13, 96,812.87 and 38,323.21

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Solution

The fourth proportional to 70,155.13, 96,812.87 and 38,323.21 is: 52,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155.13 : 96,812.87 = 38,323.21 : x
  2. Step 2: Convert to fraction form
    70,155.13/96,812.87 = 38,323.21/x
  3. Step 3: Cross multiply
    70,155.13x = 96,812.87 × 38,323.21
  4. Step 4: Simplify right side
    70,155.13x = 3,710,179,756.10
  5. Step 5: Solve for x
    x = 3,710,179,756.10/70,155.13
  6. Step 6: Final answer
    x = 52,885.37

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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.