Home / 93,931.60-140,564.80-58,409.65

Finding the Fourth Proportional to 93,931.60, 140,564.80 and 58,409.65

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Solution

The fourth proportional to 93,931.60, 140,564.80 and 58,409.65 is: 87,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,931.60 : 140,564.80 = 58,409.65 : x
  2. Step 2: Convert to fraction form
    93,931.60/140,564.80 = 58,409.65/x
  3. Step 3: Cross multiply
    93,931.60x = 140,564.80 × 58,409.65
  4. Step 4: Simplify right side
    93,931.60x = 8,210,340,770.32
  5. Step 5: Solve for x
    x = 8,210,340,770.32/93,931.60
  6. Step 6: Final answer
    x = 87,407.65

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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.