Home / 90,818.45-125,330.07-50,533.91

Finding the Fourth Proportional to 90,818.45, 125,330.07 and 50,533.91

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Solution

The fourth proportional to 90,818.45, 125,330.07 and 50,533.91 is: 69,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,818.45 : 125,330.07 = 50,533.91 : x
  2. Step 2: Convert to fraction form
    90,818.45/125,330.07 = 50,533.91/x
  3. Step 3: Cross multiply
    90,818.45x = 125,330.07 × 50,533.91
  4. Step 4: Simplify right side
    90,818.45x = 6,333,417,851.02
  5. Step 5: Solve for x
    x = 6,333,417,851.02/90,818.45
  6. Step 6: Final answer
    x = 69,737.13

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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.