Home / 62,721.96-94,425.19-57,210.76

Finding the Fourth Proportional to 62,721.96, 94,425.19 and 57,210.76

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Solution

The fourth proportional to 62,721.96, 94,425.19 and 57,210.76 is: 86,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,721.96 : 94,425.19 = 57,210.76 : x
  2. Step 2: Convert to fraction form
    62,721.96/94,425.19 = 57,210.76/x
  3. Step 3: Cross multiply
    62,721.96x = 94,425.19 × 57,210.76
  4. Step 4: Simplify right side
    62,721.96x = 5,402,136,883.04
  5. Step 5: Solve for x
    x = 5,402,136,883.04/62,721.96
  6. Step 6: Final answer
    x = 86,128.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.