Home / 57,297.71-79,069.36-31,802.76

Finding the Fourth Proportional to 57,297.71, 79,069.36 and 31,802.76

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Solution

The fourth proportional to 57,297.71, 79,069.36 and 31,802.76 is: 43,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.71 : 79,069.36 = 31,802.76 : x
  2. Step 2: Convert to fraction form
    57,297.71/79,069.36 = 31,802.76/x
  3. Step 3: Cross multiply
    57,297.71x = 79,069.36 × 31,802.76
  4. Step 4: Simplify right side
    57,297.71x = 2,514,623,602.25
  5. Step 5: Solve for x
    x = 2,514,623,602.25/57,297.71
  6. Step 6: Final answer
    x = 43,886.98

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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.