Home / 67,130.88-92,643.29-40,263.58

Finding the Fourth Proportional to 67,130.88, 92,643.29 and 40,263.58

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Solution

The fourth proportional to 67,130.88, 92,643.29 and 40,263.58 is: 55,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130.88 : 92,643.29 = 40,263.58 : x
  2. Step 2: Convert to fraction form
    67,130.88/92,643.29 = 40,263.58/x
  3. Step 3: Cross multiply
    67,130.88x = 92,643.29 × 40,263.58
  4. Step 4: Simplify right side
    67,130.88x = 3,730,150,518.38
  5. Step 5: Solve for x
    x = 3,730,150,518.38/67,130.88
  6. Step 6: Final answer
    x = 55,565.35

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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.