Home / 77,340.02-106,737.78-43,351.77

Finding the Fourth Proportional to 77,340.02, 106,737.78 and 43,351.77

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Solution

The fourth proportional to 77,340.02, 106,737.78 and 43,351.77 is: 59,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.02 : 106,737.78 = 43,351.77 : x
  2. Step 2: Convert to fraction form
    77,340.02/106,737.78 = 43,351.77/x
  3. Step 3: Cross multiply
    77,340.02x = 106,737.78 × 43,351.77
  4. Step 4: Simplify right side
    77,340.02x = 4,627,272,251.71
  5. Step 5: Solve for x
    x = 4,627,272,251.71/77,340.02
  6. Step 6: Final answer
    x = 59,830.25

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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.