Home / 92,975.36-128,307-50,533.92

Finding the Fourth Proportional to 92,975.36, 128,307 and 50,533.92

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Solution

The fourth proportional to 92,975.36, 128,307 and 50,533.92 is: 69,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,975.36 : 128,307 = 50,533.92 : x
  2. Step 2: Convert to fraction form
    92,975.36/128,307 = 50,533.92/x
  3. Step 3: Cross multiply
    92,975.36x = 128,307 × 50,533.92
  4. Step 4: Simplify right side
    92,975.36x = 6,483,855,673.44
  5. Step 5: Solve for x
    x = 6,483,855,673.44/92,975.36
  6. Step 6: Final answer
    x = 69,737.35

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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.