Home / 58,490.28-80,711.64-34,612.74

Finding the Fourth Proportional to 58,490.28, 80,711.64 and 34,612.74

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Solution

The fourth proportional to 58,490.28, 80,711.64 and 34,612.74 is: 47,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,490.28 : 80,711.64 = 34,612.74 : x
  2. Step 2: Convert to fraction form
    58,490.28/80,711.64 = 34,612.74/x
  3. Step 3: Cross multiply
    58,490.28x = 80,711.64 × 34,612.74
  4. Step 4: Simplify right side
    58,490.28x = 2,793,651,010.29
  5. Step 5: Solve for x
    x = 2,793,651,010.29/58,490.28
  6. Step 6: Final answer
    x = 47,762.65

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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.