Home / 57,221.48-78,938.88-37,085.06

Finding the Fourth Proportional to 57,221.48, 78,938.88 and 37,085.06

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Solution

The fourth proportional to 57,221.48, 78,938.88 and 37,085.06 is: 51,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221.48 : 78,938.88 = 37,085.06 : x
  2. Step 2: Convert to fraction form
    57,221.48/78,938.88 = 37,085.06/x
  3. Step 3: Cross multiply
    57,221.48x = 78,938.88 × 37,085.06
  4. Step 4: Simplify right side
    57,221.48x = 2,927,453,101.13
  5. Step 5: Solve for x
    x = 2,927,453,101.13/57,221.48
  6. Step 6: Final answer
    x = 51,160.04

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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.