Home / 70,572.06-97,390.76-38,742.10

Finding the Fourth Proportional to 70,572.06, 97,390.76 and 38,742.10

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Solution

The fourth proportional to 70,572.06, 97,390.76 and 38,742.10 is: 53,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,572.06 : 97,390.76 = 38,742.10 : x
  2. Step 2: Convert to fraction form
    70,572.06/97,390.76 = 38,742.10/x
  3. Step 3: Cross multiply
    70,572.06x = 97,390.76 × 38,742.10
  4. Step 4: Simplify right side
    70,572.06x = 3,773,122,125.81
  5. Step 5: Solve for x
    x = 3,773,122,125.81/70,572.06
  6. Step 6: Final answer
    x = 53,464.81

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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.