Home / 73,038.80-100,766.64-47,922.32

Finding the Fourth Proportional to 73,038.80, 100,766.64 and 47,922.32

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Solution

The fourth proportional to 73,038.80, 100,766.64 and 47,922.32 is: 66,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038.80 : 100,766.64 = 47,922.32 : x
  2. Step 2: Convert to fraction form
    73,038.80/100,766.64 = 47,922.32/x
  3. Step 3: Cross multiply
    73,038.80x = 100,766.64 × 47,922.32
  4. Step 4: Simplify right side
    73,038.80x = 4,828,971,167.40
  5. Step 5: Solve for x
    x = 4,828,971,167.40/73,038.80
  6. Step 6: Final answer
    x = 66,115.15

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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.