Home / 67,701.16-93,398.64-40,828.38

Finding the Fourth Proportional to 67,701.16, 93,398.64 and 40,828.38

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Solution

The fourth proportional to 67,701.16, 93,398.64 and 40,828.38 is: 56,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,701.16 : 93,398.64 = 40,828.38 : x
  2. Step 2: Convert to fraction form
    67,701.16/93,398.64 = 40,828.38/x
  3. Step 3: Cross multiply
    67,701.16x = 93,398.64 × 40,828.38
  4. Step 4: Simplify right side
    67,701.16x = 3,813,315,165.40
  5. Step 5: Solve for x
    x = 3,813,315,165.40/67,701.16
  6. Step 6: Final answer
    x = 56,325.70

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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.