Home / 79,411.48-119,099.02-47,399.58

Finding the Fourth Proportional to 79,411.48, 119,099.02 and 47,399.58

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Solution

The fourth proportional to 79,411.48, 119,099.02 and 47,399.58 is: 71,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,411.48 : 119,099.02 = 47,399.58 : x
  2. Step 2: Convert to fraction form
    79,411.48/119,099.02 = 47,399.58/x
  3. Step 3: Cross multiply
    79,411.48x = 119,099.02 × 47,399.58
  4. Step 4: Simplify right side
    79,411.48x = 5,645,243,526.41
  5. Step 5: Solve for x
    x = 5,645,243,526.41/79,411.48
  6. Step 6: Final answer
    x = 71,088.51

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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.