Home / 77,320.91-106,710.36-43,335.16

Finding the Fourth Proportional to 77,320.91, 106,710.36 and 43,335.16

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Solution

The fourth proportional to 77,320.91, 106,710.36 and 43,335.16 is: 59,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,320.91 : 106,710.36 = 43,335.16 : x
  2. Step 2: Convert to fraction form
    77,320.91/106,710.36 = 43,335.16/x
  3. Step 3: Cross multiply
    77,320.91x = 106,710.36 × 43,335.16
  4. Step 4: Simplify right side
    77,320.91x = 4,624,310,094.97
  5. Step 5: Solve for x
    x = 4,624,310,094.97/77,320.91
  6. Step 6: Final answer
    x = 59,806.72

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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.