Home / 77,215.61-106,557.59-43,224.16

Finding the Fourth Proportional to 77,215.61, 106,557.59 and 43,224.16

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Solution

The fourth proportional to 77,215.61, 106,557.59 and 43,224.16 is: 59,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,215.61 : 106,557.59 = 43,224.16 : x
  2. Step 2: Convert to fraction form
    77,215.61/106,557.59 = 43,224.16/x
  3. Step 3: Cross multiply
    77,215.61x = 106,557.59 × 43,224.16
  4. Step 4: Simplify right side
    77,215.61x = 4,605,862,436.25
  5. Step 5: Solve for x
    x = 4,605,862,436.25/77,215.61
  6. Step 6: Final answer
    x = 59,649.37

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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.