Home / 93,424.32-128,942.28-55,701

Finding the Fourth Proportional to 93,424.32, 128,942.28 and 55,701

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Solution

The fourth proportional to 93,424.32, 128,942.28 and 55,701 is: 76,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,424.32 : 128,942.28 = 55,701 : x
  2. Step 2: Convert to fraction form
    93,424.32/128,942.28 = 55,701/x
  3. Step 3: Cross multiply
    93,424.32x = 128,942.28 × 55,701
  4. Step 4: Simplify right side
    93,424.32x = 7,182,213,938.28
  5. Step 5: Solve for x
    x = 7,182,213,938.28/93,424.32
  6. Step 6: Final answer
    x = 76,877.35

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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.