Home / 55,868.10-83,802.15-39,246.90

Finding the Fourth Proportional to 55,868.10, 83,802.15 and 39,246.90

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Solution

The fourth proportional to 55,868.10, 83,802.15 and 39,246.90 is: 58,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,868.10 : 83,802.15 = 39,246.90 : x
  2. Step 2: Convert to fraction form
    55,868.10/83,802.15 = 39,246.90/x
  3. Step 3: Cross multiply
    55,868.10x = 83,802.15 × 39,246.90
  4. Step 4: Simplify right side
    55,868.10x = 3,288,974,600.84
  5. Step 5: Solve for x
    x = 3,288,974,600.84/55,868.10
  6. Step 6: Final answer
    x = 58,870.35

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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.