Home / 70,465.20-97,239.87-38,633.01

Finding the Fourth Proportional to 70,465.20, 97,239.87 and 38,633.01

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Solution

The fourth proportional to 70,465.20, 97,239.87 and 38,633.01 is: 53,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,465.20 : 97,239.87 = 38,633.01 : x
  2. Step 2: Convert to fraction form
    70,465.20/97,239.87 = 38,633.01/x
  3. Step 3: Cross multiply
    70,465.20x = 97,239.87 × 38,633.01
  4. Step 4: Simplify right side
    70,465.20x = 3,756,668,870.11
  5. Step 5: Solve for x
    x = 3,756,668,870.11/70,465.20
  6. Step 6: Final answer
    x = 53,312.40

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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.