Home / 77,035.06-106,313.34-45,192.34

Finding the Fourth Proportional to 77,035.06, 106,313.34 and 45,192.34

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Solution

The fourth proportional to 77,035.06, 106,313.34 and 45,192.34 is: 62,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,035.06 : 106,313.34 = 45,192.34 : x
  2. Step 2: Convert to fraction form
    77,035.06/106,313.34 = 45,192.34/x
  3. Step 3: Cross multiply
    77,035.06x = 106,313.34 × 45,192.34
  4. Step 4: Simplify right side
    77,035.06x = 4,804,548,607.82
  5. Step 5: Solve for x
    x = 4,804,548,607.82/77,035.06
  6. Step 6: Final answer
    x = 62,368.34

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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.