Home / 52,542.50-72,498.73-31,323.74

Finding the Fourth Proportional to 52,542.50, 72,498.73 and 31,323.74

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Solution

The fourth proportional to 52,542.50, 72,498.73 and 31,323.74 is: 43,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,542.50 : 72,498.73 = 31,323.74 : x
  2. Step 2: Convert to fraction form
    52,542.50/72,498.73 = 31,323.74/x
  3. Step 3: Cross multiply
    52,542.50x = 72,498.73 × 31,323.74
  4. Step 4: Simplify right side
    52,542.50x = 2,270,931,368.85
  5. Step 5: Solve for x
    x = 2,270,931,368.85/52,542.50
  6. Step 6: Final answer
    x = 43,220.85

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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.