Home / 93,152.17-128,635.40-59,171.61

Finding the Fourth Proportional to 93,152.17, 128,635.40 and 59,171.61

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Solution

The fourth proportional to 93,152.17, 128,635.40 and 59,171.61 is: 81,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,152.17 : 128,635.40 = 59,171.61 : x
  2. Step 2: Convert to fraction form
    93,152.17/128,635.40 = 59,171.61/x
  3. Step 3: Cross multiply
    93,152.17x = 128,635.40 × 59,171.61
  4. Step 4: Simplify right side
    93,152.17x = 7,611,563,720.99
  5. Step 5: Solve for x
    x = 7,611,563,720.99/93,152.17
  6. Step 6: Final answer
    x = 81,711.07

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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.