Home / 93,281.02-128,724.06-50,838.64

Finding the Fourth Proportional to 93,281.02, 128,724.06 and 50,838.64

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Solution

The fourth proportional to 93,281.02, 128,724.06 and 50,838.64 is: 70,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,281.02 : 128,724.06 = 50,838.64 : x
  2. Step 2: Convert to fraction form
    93,281.02/128,724.06 = 50,838.64/x
  3. Step 3: Cross multiply
    93,281.02x = 128,724.06 × 50,838.64
  4. Step 4: Simplify right side
    93,281.02x = 6,544,156,145.68
  5. Step 5: Solve for x
    x = 6,544,156,145.68/93,281.02
  6. Step 6: Final answer
    x = 70,155.28

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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.