Home / 99,907.02-149,934.46-47,316.60

Finding the Fourth Proportional to 99,907.02, 149,934.46 and 47,316.60

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Solution

The fourth proportional to 99,907.02, 149,934.46 and 47,316.60 is: 71,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,907.02 : 149,934.46 = 47,316.60 : x
  2. Step 2: Convert to fraction form
    99,907.02/149,934.46 = 47,316.60/x
  3. Step 3: Cross multiply
    99,907.02x = 149,934.46 × 47,316.60
  4. Step 4: Simplify right side
    99,907.02x = 7,094,388,870.04
  5. Step 5: Solve for x
    x = 7,094,388,870.04/99,907.02
  6. Step 6: Final answer
    x = 71,009.91

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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.