Home / 77,510.13-106,960.51-43,518.00

Finding the Fourth Proportional to 77,510.13, 106,960.51 and 43,518.00

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Solution

The fourth proportional to 77,510.13, 106,960.51 and 43,518.00 is: 60,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,510.13 : 106,960.51 = 43,518.00 : x
  2. Step 2: Convert to fraction form
    77,510.13/106,960.51 = 43,518.00/x
  3. Step 3: Cross multiply
    77,510.13x = 106,960.51 × 43,518.00
  4. Step 4: Simplify right side
    77,510.13x = 4,654,707,238.81
  5. Step 5: Solve for x
    x = 4,654,707,238.81/77,510.13
  6. Step 6: Final answer
    x = 60,052.89

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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.