Home / 53,087.20-72,869.36-46,985.92

Finding the Fourth Proportional to 53,087.20, 72,869.36 and 46,985.92

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Solution

The fourth proportional to 53,087.20, 72,869.36 and 46,985.92 is: 64,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,087.20 : 72,869.36 = 46,985.92 : x
  2. Step 2: Convert to fraction form
    53,087.20/72,869.36 = 46,985.92/x
  3. Step 3: Cross multiply
    53,087.20x = 72,869.36 × 46,985.92
  4. Step 4: Simplify right side
    53,087.20x = 3,423,833,919.41
  5. Step 5: Solve for x
    x = 3,423,833,919.41/53,087.20
  6. Step 6: Final answer
    x = 64,494.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.