Home / 58,278.12-80,423.69-32,784.51

Finding the Fourth Proportional to 58,278.12, 80,423.69 and 32,784.51

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Solution

The fourth proportional to 58,278.12, 80,423.69 and 32,784.51 is: 45,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,278.12 : 80,423.69 = 32,784.51 : x
  2. Step 2: Convert to fraction form
    58,278.12/80,423.69 = 32,784.51/x
  3. Step 3: Cross multiply
    58,278.12x = 80,423.69 × 32,784.51
  4. Step 4: Simplify right side
    58,278.12x = 2,636,651,174.40
  5. Step 5: Solve for x
    x = 2,636,651,174.40/58,278.12
  6. Step 6: Final answer
    x = 45,242.55

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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.