Home / 93,037.28-139,577.70-30,707.72

Finding the Fourth Proportional to 93,037.28, 139,577.70 and 30,707.72

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Solution

The fourth proportional to 93,037.28, 139,577.70 and 30,707.72 is: 46,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,037.28 : 139,577.70 = 30,707.72 : x
  2. Step 2: Convert to fraction form
    93,037.28/139,577.70 = 30,707.72/x
  3. Step 3: Cross multiply
    93,037.28x = 139,577.70 × 30,707.72
  4. Step 4: Simplify right side
    93,037.28x = 4,286,112,929.84
  5. Step 5: Solve for x
    x = 4,286,112,929.84/93,037.28
  6. Step 6: Final answer
    x = 46,068.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.