Home / 92,875.51-128,168.83-50,434.04

Finding the Fourth Proportional to 92,875.51, 128,168.83 and 50,434.04

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Solution

The fourth proportional to 92,875.51, 128,168.83 and 50,434.04 is: 69,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,875.51 : 128,168.83 = 50,434.04 : x
  2. Step 2: Convert to fraction form
    92,875.51/128,168.83 = 50,434.04/x
  3. Step 3: Cross multiply
    92,875.51x = 128,168.83 × 50,434.04
  4. Step 4: Simplify right side
    92,875.51x = 6,464,072,282.44
  5. Step 5: Solve for x
    x = 6,464,072,282.44/92,875.51
  6. Step 6: Final answer
    x = 69,599.32

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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.