Home / 67,155.03-92,626.47-57,013.70

Finding the Fourth Proportional to 67,155.03, 92,626.47 and 57,013.70

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Solution

The fourth proportional to 67,155.03, 92,626.47 and 57,013.70 is: 78,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155.03 : 92,626.47 = 57,013.70 : x
  2. Step 2: Convert to fraction form
    67,155.03/92,626.47 = 57,013.70/x
  3. Step 3: Cross multiply
    67,155.03x = 92,626.47 × 57,013.70
  4. Step 4: Simplify right side
    67,155.03x = 5,280,977,309.51
  5. Step 5: Solve for x
    x = 5,280,977,309.51/67,155.03
  6. Step 6: Final answer
    x = 78,638.60

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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.