Home / 93,432.93-128,938.33-50,991.46

Finding the Fourth Proportional to 93,432.93, 128,938.33 and 50,991.46

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Solution

The fourth proportional to 93,432.93, 128,938.33 and 50,991.46 is: 70,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,432.93 : 128,938.33 = 50,991.46 : x
  2. Step 2: Convert to fraction form
    93,432.93/128,938.33 = 50,991.46/x
  3. Step 3: Cross multiply
    93,432.93x = 128,938.33 × 50,991.46
  4. Step 4: Simplify right side
    93,432.93x = 6,574,753,438.06
  5. Step 5: Solve for x
    x = 6,574,753,438.06/93,432.93
  6. Step 6: Final answer
    x = 70,368.70

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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.