Home / 87,328.08-120,509.28-49,598.16

Finding the Fourth Proportional to 87,328.08, 120,509.28 and 49,598.16

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Solution

The fourth proportional to 87,328.08, 120,509.28 and 49,598.16 is: 68,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328.08 : 120,509.28 = 49,598.16 : x
  2. Step 2: Convert to fraction form
    87,328.08/120,509.28 = 49,598.16/x
  3. Step 3: Cross multiply
    87,328.08x = 120,509.28 × 49,598.16
  4. Step 4: Simplify right side
    87,328.08x = 5,977,038,550.92
  5. Step 5: Solve for x
    x = 5,977,038,550.92/87,328.08
  6. Step 6: Final answer
    x = 68,443.49

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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.