Home / 115,210.10-172,844.31-48,615.95

Finding the Fourth Proportional to 115,210.10, 172,844.31 and 48,615.95

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Solution

The fourth proportional to 115,210.10, 172,844.31 and 48,615.95 is: 72,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,210.10 : 172,844.31 = 48,615.95 : x
  2. Step 2: Convert to fraction form
    115,210.10/172,844.31 = 48,615.95/x
  3. Step 3: Cross multiply
    115,210.10x = 172,844.31 × 48,615.95
  4. Step 4: Simplify right side
    115,210.10x = 8,402,989,468.52
  5. Step 5: Solve for x
    x = 8,402,989,468.52/115,210.10
  6. Step 6: Final answer
    x = 72,936.23

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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.