Home / 58,277.16-80,459.28-40,365.72

Finding the Fourth Proportional to 58,277.16, 80,459.28 and 40,365.72

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Solution

The fourth proportional to 58,277.16, 80,459.28 and 40,365.72 is: 55,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,277.16 : 80,459.28 = 40,365.72 : x
  2. Step 2: Convert to fraction form
    58,277.16/80,459.28 = 40,365.72/x
  3. Step 3: Cross multiply
    58,277.16x = 80,459.28 × 40,365.72
  4. Step 4: Simplify right side
    58,277.16x = 3,247,796,767.88
  5. Step 5: Solve for x
    x = 3,247,796,767.88/58,277.16
  6. Step 6: Final answer
    x = 55,730.18

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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.