Home / 60,557.20-90,835.80-45,005.20

Finding the Fourth Proportional to 60,557.20, 90,835.80 and 45,005.20

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Solution

The fourth proportional to 60,557.20, 90,835.80 and 45,005.20 is: 67,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,557.20 : 90,835.80 = 45,005.20 : x
  2. Step 2: Convert to fraction form
    60,557.20/90,835.80 = 45,005.20/x
  3. Step 3: Cross multiply
    60,557.20x = 90,835.80 × 45,005.20
  4. Step 4: Simplify right side
    60,557.20x = 4,088,083,346.16
  5. Step 5: Solve for x
    x = 4,088,083,346.16/60,557.20
  6. Step 6: Final answer
    x = 67,507.80

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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.