Home / 53,787.65-74,260.13-34,674.21

Finding the Fourth Proportional to 53,787.65, 74,260.13 and 34,674.21

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Solution

The fourth proportional to 53,787.65, 74,260.13 and 34,674.21 is: 47,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,787.65 : 74,260.13 = 34,674.21 : x
  2. Step 2: Convert to fraction form
    53,787.65/74,260.13 = 34,674.21/x
  3. Step 3: Cross multiply
    53,787.65x = 74,260.13 × 34,674.21
  4. Step 4: Simplify right side
    53,787.65x = 2,574,911,168.88
  5. Step 5: Solve for x
    x = 2,574,911,168.88/53,787.65
  6. Step 6: Final answer
    x = 47,871.80

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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.