Home / 65,362.92-90,219.87-42,705.36

Finding the Fourth Proportional to 65,362.92, 90,219.87 and 42,705.36

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Solution

The fourth proportional to 65,362.92, 90,219.87 and 42,705.36 is: 58,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,362.92 : 90,219.87 = 42,705.36 : x
  2. Step 2: Convert to fraction form
    65,362.92/90,219.87 = 42,705.36/x
  3. Step 3: Cross multiply
    65,362.92x = 90,219.87 × 42,705.36
  4. Step 4: Simplify right side
    65,362.92x = 3,852,872,027.50
  5. Step 5: Solve for x
    x = 3,852,872,027.50/65,362.92
  6. Step 6: Final answer
    x = 58,945.84

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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.