Home / 73,962.58-102,142.92-47,117.20

Finding the Fourth Proportional to 73,962.58, 102,142.92 and 47,117.20

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Solution

The fourth proportional to 73,962.58, 102,142.92 and 47,117.20 is: 65,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,962.58 : 102,142.92 = 47,117.20 : x
  2. Step 2: Convert to fraction form
    73,962.58/102,142.92 = 47,117.20/x
  3. Step 3: Cross multiply
    73,962.58x = 102,142.92 × 47,117.20
  4. Step 4: Simplify right side
    73,962.58x = 4,812,688,390.22
  5. Step 5: Solve for x
    x = 4,812,688,390.22/73,962.58
  6. Step 6: Final answer
    x = 65,069.23

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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.