Home / 113,639.04-170,465.28-34,758.72

Finding the Fourth Proportional to 113,639.04, 170,465.28 and 34,758.72

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Solution

The fourth proportional to 113,639.04, 170,465.28 and 34,758.72 is: 52,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.04 : 170,465.28 = 34,758.72 : x
  2. Step 2: Convert to fraction form
    113,639.04/170,465.28 = 34,758.72/x
  3. Step 3: Cross multiply
    113,639.04x = 170,465.28 × 34,758.72
  4. Step 4: Simplify right side
    113,639.04x = 5,925,154,937.24
  5. Step 5: Solve for x
    x = 5,925,154,937.24/113,639.04
  6. Step 6: Final answer
    x = 52,140.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.