Home / 98,907.08-136,491.58-53,586.21

Finding the Fourth Proportional to 98,907.08, 136,491.58 and 53,586.21

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Solution

The fourth proportional to 98,907.08, 136,491.58 and 53,586.21 is: 73,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,907.08 : 136,491.58 = 53,586.21 : x
  2. Step 2: Convert to fraction form
    98,907.08/136,491.58 = 53,586.21/x
  3. Step 3: Cross multiply
    98,907.08x = 136,491.58 × 53,586.21
  4. Step 4: Simplify right side
    98,907.08x = 7,314,066,280.17
  5. Step 5: Solve for x
    x = 7,314,066,280.17/98,907.08
  6. Step 6: Final answer
    x = 73,948.87

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1.5x scale

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.