Home / 74,600.06-102,957-42,768.88

Finding the Fourth Proportional to 74,600.06, 102,957 and 42,768.88

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Solution

The fourth proportional to 74,600.06, 102,957 and 42,768.88 is: 59,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,600.06 : 102,957 = 42,768.88 : x
  2. Step 2: Convert to fraction form
    74,600.06/102,957 = 42,768.88/x
  3. Step 3: Cross multiply
    74,600.06x = 102,957 × 42,768.88
  4. Step 4: Simplify right side
    74,600.06x = 4,403,355,578.16
  5. Step 5: Solve for x
    x = 4,403,355,578.16/74,600.06
  6. Step 6: Final answer
    x = 59,026.17

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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.