Home / 66,686.18-92,023.53-36,465.64

Finding the Fourth Proportional to 66,686.18, 92,023.53 and 36,465.64

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Solution

The fourth proportional to 66,686.18, 92,023.53 and 36,465.64 is: 50,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,686.18 : 92,023.53 = 36,465.64 : x
  2. Step 2: Convert to fraction form
    66,686.18/92,023.53 = 36,465.64/x
  3. Step 3: Cross multiply
    66,686.18x = 92,023.53 × 36,465.64
  4. Step 4: Simplify right side
    66,686.18x = 3,355,697,053.26
  5. Step 5: Solve for x
    x = 3,355,697,053.26/66,686.18
  6. Step 6: Final answer
    x = 50,320.72

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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.