Home / 70,373.30-97,111.54-38,536.05

Finding the Fourth Proportional to 70,373.30, 97,111.54 and 38,536.05

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Solution

The fourth proportional to 70,373.30, 97,111.54 and 38,536.05 is: 53,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,373.30 : 97,111.54 = 38,536.05 : x
  2. Step 2: Convert to fraction form
    70,373.30/97,111.54 = 38,536.05/x
  3. Step 3: Cross multiply
    70,373.30x = 97,111.54 × 38,536.05
  4. Step 4: Simplify right side
    70,373.30x = 3,742,295,161.02
  5. Step 5: Solve for x
    x = 3,742,295,161.02/70,373.30
  6. Step 6: Final answer
    x = 53,177.77

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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.