Home / 42,746.48-64,119.73-11,581.73

Finding the Fourth Proportional to 42,746.48, 64,119.73 and 11,581.73

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Solution

The fourth proportional to 42,746.48, 64,119.73 and 11,581.73 is: 17,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,746.48 : 64,119.73 = 11,581.73 : x
  2. Step 2: Convert to fraction form
    42,746.48/64,119.73 = 11,581.73/x
  3. Step 3: Cross multiply
    42,746.48x = 64,119.73 × 11,581.73
  4. Step 4: Simplify right side
    42,746.48x = 742,617,641.24
  5. Step 5: Solve for x
    x = 742,617,641.24/42,746.48
  6. Step 6: Final answer
    x = 17,372.60

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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.