Home / 76,237.92-105,214.68-42,254.64

Finding the Fourth Proportional to 76,237.92, 105,214.68 and 42,254.64

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Solution

The fourth proportional to 76,237.92, 105,214.68 and 42,254.64 is: 58,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,237.92 : 105,214.68 = 42,254.64 : x
  2. Step 2: Convert to fraction form
    76,237.92/105,214.68 = 42,254.64/x
  3. Step 3: Cross multiply
    76,237.92x = 105,214.68 × 42,254.64
  4. Step 4: Simplify right side
    76,237.92x = 4,445,808,426.12
  5. Step 5: Solve for x
    x = 4,445,808,426.12/76,237.92
  6. Step 6: Final answer
    x = 58,314.92

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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.