Home / 77,445.12-116,153.87-49,281.58

Finding the Fourth Proportional to 77,445.12, 116,153.87 and 49,281.58

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Solution

The fourth proportional to 77,445.12, 116,153.87 and 49,281.58 is: 73,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,445.12 : 116,153.87 = 49,281.58 : x
  2. Step 2: Convert to fraction form
    77,445.12/116,153.87 = 49,281.58/x
  3. Step 3: Cross multiply
    77,445.12x = 116,153.87 × 49,281.58
  4. Step 4: Simplify right side
    77,445.12x = 5,724,245,699.92
  5. Step 5: Solve for x
    x = 5,724,245,699.92/77,445.12
  6. Step 6: Final answer
    x = 73,913.58

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1.5x scale

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.