Home / 70,373.06-97,111.20-38,535.80

Finding the Fourth Proportional to 70,373.06, 97,111.20 and 38,535.80

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Solution

The fourth proportional to 70,373.06, 97,111.20 and 38,535.80 is: 53,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,373.06 : 97,111.20 = 38,535.80 : x
  2. Step 2: Convert to fraction form
    70,373.06/97,111.20 = 38,535.80/x
  3. Step 3: Cross multiply
    70,373.06x = 97,111.20 × 38,535.80
  4. Step 4: Simplify right side
    70,373.06x = 3,742,257,780.96
  5. Step 5: Solve for x
    x = 3,742,257,780.96/70,373.06
  6. Step 6: Final answer
    x = 53,177.42

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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.