Home / 106,543.08-147,038.04-61,228.44

Finding the Fourth Proportional to 106,543.08, 147,038.04 and 61,228.44

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Solution

The fourth proportional to 106,543.08, 147,038.04 and 61,228.44 is: 84,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,543.08 : 147,038.04 = 61,228.44 : x
  2. Step 2: Convert to fraction form
    106,543.08/147,038.04 = 61,228.44/x
  3. Step 3: Cross multiply
    106,543.08x = 147,038.04 × 61,228.44
  4. Step 4: Simplify right side
    106,543.08x = 9,002,909,809.86
  5. Step 5: Solve for x
    x = 9,002,909,809.86/106,543.08
  6. Step 6: Final answer
    x = 84,500.18

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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.