Home / 60,070.17-90,142.32-30,509.22

Finding the Fourth Proportional to 60,070.17, 90,142.32 and 30,509.22

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Solution

The fourth proportional to 60,070.17, 90,142.32 and 30,509.22 is: 45,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,070.17 : 90,142.32 = 30,509.22 : x
  2. Step 2: Convert to fraction form
    60,070.17/90,142.32 = 30,509.22/x
  3. Step 3: Cross multiply
    60,070.17x = 90,142.32 × 30,509.22
  4. Step 4: Simplify right side
    60,070.17x = 2,750,171,983.14
  5. Step 5: Solve for x
    x = 2,750,171,983.14/60,070.17
  6. Step 6: Final answer
    x = 45,782.65

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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.