Home / 77,312.29-106,691.37-43,320.85

Finding the Fourth Proportional to 77,312.29, 106,691.37 and 43,320.85

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Solution

The fourth proportional to 77,312.29, 106,691.37 and 43,320.85 is: 59,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,312.29 : 106,691.37 = 43,320.85 : x
  2. Step 2: Convert to fraction form
    77,312.29/106,691.37 = 43,320.85/x
  3. Step 3: Cross multiply
    77,312.29x = 106,691.37 × 43,320.85
  4. Step 4: Simplify right side
    77,312.29x = 4,621,960,836.06
  5. Step 5: Solve for x
    x = 4,621,960,836.06/77,312.29
  6. Step 6: Final answer
    x = 59,783.00

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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.