Home / 73,117.30-109,675.95-66,337.60

Finding the Fourth Proportional to 73,117.30, 109,675.95 and 66,337.60

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Solution

The fourth proportional to 73,117.30, 109,675.95 and 66,337.60 is: 99,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117.30 : 109,675.95 = 66,337.60 : x
  2. Step 2: Convert to fraction form
    73,117.30/109,675.95 = 66,337.60/x
  3. Step 3: Cross multiply
    73,117.30x = 109,675.95 × 66,337.60
  4. Step 4: Simplify right side
    73,117.30x = 7,275,639,300.72
  5. Step 5: Solve for x
    x = 7,275,639,300.72/73,117.30
  6. Step 6: Final answer
    x = 99,506.40

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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.