Home / 76,130.08-114,325.80-46,720.60

Finding the Fourth Proportional to 76,130.08, 114,325.80 and 46,720.60

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Solution

The fourth proportional to 76,130.08, 114,325.80 and 46,720.60 is: 70,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,130.08 : 114,325.80 = 46,720.60 : x
  2. Step 2: Convert to fraction form
    76,130.08/114,325.80 = 46,720.60/x
  3. Step 3: Cross multiply
    76,130.08x = 114,325.80 × 46,720.60
  4. Step 4: Simplify right side
    76,130.08x = 5,341,369,971.48
  5. Step 5: Solve for x
    x = 5,341,369,971.48/76,130.08
  6. Step 6: Final answer
    x = 70,161.10

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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.