Home / 67,302.60-92,877.72-40,445.52

Finding the Fourth Proportional to 67,302.60, 92,877.72 and 40,445.52

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Solution

The fourth proportional to 67,302.60, 92,877.72 and 40,445.52 is: 55,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,302.60 : 92,877.72 = 40,445.52 : x
  2. Step 2: Convert to fraction form
    67,302.60/92,877.72 = 40,445.52/x
  3. Step 3: Cross multiply
    67,302.60x = 92,877.72 × 40,445.52
  4. Step 4: Simplify right side
    67,302.60x = 3,756,487,681.81
  5. Step 5: Solve for x
    x = 3,756,487,681.81/67,302.60
  6. Step 6: Final answer
    x = 55,814.90

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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.