Home / 93,428.64-128,929.73-50,987.48

Finding the Fourth Proportional to 93,428.64, 128,929.73 and 50,987.48

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Solution

The fourth proportional to 93,428.64, 128,929.73 and 50,987.48 is: 70,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,428.64 : 128,929.73 = 50,987.48 : x
  2. Step 2: Convert to fraction form
    93,428.64/128,929.73 = 50,987.48/x
  3. Step 3: Cross multiply
    93,428.64x = 128,929.73 × 50,987.48
  4. Step 4: Simplify right side
    93,428.64x = 6,573,801,130.19
  5. Step 5: Solve for x
    x = 6,573,801,130.19/93,428.64
  6. Step 6: Final answer
    x = 70,361.73

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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.