Home / 77,020.49-106,277.76-43,024.77

Finding the Fourth Proportional to 77,020.49, 106,277.76 and 43,024.77

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Solution

The fourth proportional to 77,020.49, 106,277.76 and 43,024.77 is: 59,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.49 : 106,277.76 = 43,024.77 : x
  2. Step 2: Convert to fraction form
    77,020.49/106,277.76 = 43,024.77/x
  3. Step 3: Cross multiply
    77,020.49x = 106,277.76 × 43,024.77
  4. Step 4: Simplify right side
    77,020.49x = 4,572,575,964.99
  5. Step 5: Solve for x
    x = 4,572,575,964.99/77,020.49
  6. Step 6: Final answer
    x = 59,368.31

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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.