Home / 93,037.24-128,439.06-62,981.56

Finding the Fourth Proportional to 93,037.24, 128,439.06 and 62,981.56

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Solution

The fourth proportional to 93,037.24, 128,439.06 and 62,981.56 is: 86,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,037.24 : 128,439.06 = 62,981.56 : x
  2. Step 2: Convert to fraction form
    93,037.24/128,439.06 = 62,981.56/x
  3. Step 3: Cross multiply
    93,037.24x = 128,439.06 × 62,981.56
  4. Step 4: Simplify right side
    93,037.24x = 8,089,292,363.73
  5. Step 5: Solve for x
    x = 8,089,292,363.73/93,037.24
  6. Step 6: Final answer
    x = 86,946.82

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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.