Home / 66,718.10-92,070.15-36,503.03

Finding the Fourth Proportional to 66,718.10, 92,070.15 and 36,503.03

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Solution

The fourth proportional to 66,718.10, 92,070.15 and 36,503.03 is: 50,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,718.10 : 92,070.15 = 36,503.03 : x
  2. Step 2: Convert to fraction form
    66,718.10/92,070.15 = 36,503.03/x
  3. Step 3: Cross multiply
    66,718.10x = 92,070.15 × 36,503.03
  4. Step 4: Simplify right side
    66,718.10x = 3,360,838,987.20
  5. Step 5: Solve for x
    x = 3,360,838,987.20/66,718.10
  6. Step 6: Final answer
    x = 50,373.73

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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.