Home / 48,345.16-72,509.08-30,762.76

Finding the Fourth Proportional to 48,345.16, 72,509.08 and 30,762.76

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Solution

The fourth proportional to 48,345.16, 72,509.08 and 30,762.76 is: 46,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.16 : 72,509.08 = 30,762.76 : x
  2. Step 2: Convert to fraction form
    48,345.16/72,509.08 = 30,762.76/x
  3. Step 3: Cross multiply
    48,345.16x = 72,509.08 × 30,762.76
  4. Step 4: Simplify right side
    48,345.16x = 2,230,579,425.86
  5. Step 5: Solve for x
    x = 2,230,579,425.86/48,345.16
  6. Step 6: Final answer
    x = 46,138.63

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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.