Home / 67,345.60-92,995.68-42,238.40

Finding the Fourth Proportional to 67,345.60, 92,995.68 and 42,238.40

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Solution

The fourth proportional to 67,345.60, 92,995.68 and 42,238.40 is: 58,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,345.60 : 92,995.68 = 42,238.40 : x
  2. Step 2: Convert to fraction form
    67,345.60/92,995.68 = 42,238.40/x
  3. Step 3: Cross multiply
    67,345.60x = 92,995.68 × 42,238.40
  4. Step 4: Simplify right side
    67,345.60x = 3,927,988,730.11
  5. Step 5: Solve for x
    x = 3,927,988,730.11/67,345.60
  6. Step 6: Final answer
    x = 58,325.84

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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.