Home / 53,045.61-73,206.45-31,529.64

Finding the Fourth Proportional to 53,045.61, 73,206.45 and 31,529.64

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Solution

The fourth proportional to 53,045.61, 73,206.45 and 31,529.64 is: 43,512.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.61 : 73,206.45 = 31,529.64 : x
  2. Step 2: Convert to fraction form
    53,045.61/73,206.45 = 31,529.64/x
  3. Step 3: Cross multiply
    53,045.61x = 73,206.45 × 31,529.64
  4. Step 4: Simplify right side
    53,045.61x = 2,308,173,014.18
  5. Step 5: Solve for x
    x = 2,308,173,014.18/53,045.61
  6. Step 6: Final answer
    x = 43,512.99

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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.