Home / 57,698.10-86,547.15-51,246.90

Finding the Fourth Proportional to 57,698.10, 86,547.15 and 51,246.90

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Solution

The fourth proportional to 57,698.10, 86,547.15 and 51,246.90 is: 76,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698.10 : 86,547.15 = 51,246.90 : x
  2. Step 2: Convert to fraction form
    57,698.10/86,547.15 = 51,246.90/x
  3. Step 3: Cross multiply
    57,698.10x = 86,547.15 × 51,246.90
  4. Step 4: Simplify right side
    57,698.10x = 4,435,273,141.34
  5. Step 5: Solve for x
    x = 4,435,273,141.34/57,698.10
  6. Step 6: Final answer
    x = 76,870.35

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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.