Home / 106,730.03-147,318.45-61,440.01

Finding the Fourth Proportional to 106,730.03, 147,318.45 and 61,440.01

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Solution

The fourth proportional to 106,730.03, 147,318.45 and 61,440.01 is: 84,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,730.03 : 147,318.45 = 61,440.01 : x
  2. Step 2: Convert to fraction form
    106,730.03/147,318.45 = 61,440.01/x
  3. Step 3: Cross multiply
    106,730.03x = 147,318.45 × 61,440.01
  4. Step 4: Simplify right side
    106,730.03x = 9,051,247,041.18
  5. Step 5: Solve for x
    x = 9,051,247,041.18/106,730.03
  6. Step 6: Final answer
    x = 84,805.06

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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.