Home / 79,267.15-109,389.56-45,280.14

Finding the Fourth Proportional to 79,267.15, 109,389.56 and 45,280.14

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Solution

The fourth proportional to 79,267.15, 109,389.56 and 45,280.14 is: 62,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.15 : 109,389.56 = 45,280.14 : x
  2. Step 2: Convert to fraction form
    79,267.15/109,389.56 = 45,280.14/x
  3. Step 3: Cross multiply
    79,267.15x = 109,389.56 × 45,280.14
  4. Step 4: Simplify right side
    79,267.15x = 4,953,174,591.34
  5. Step 5: Solve for x
    x = 4,953,174,591.34/79,267.15
  6. Step 6: Final answer
    x = 62,487.10

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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.