Home / 93,405.13-140,108.91-31,075.63

Finding the Fourth Proportional to 93,405.13, 140,108.91 and 31,075.63

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Solution

The fourth proportional to 93,405.13, 140,108.91 and 31,075.63 is: 46,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,405.13 : 140,108.91 = 31,075.63 : x
  2. Step 2: Convert to fraction form
    93,405.13/140,108.91 = 31,075.63/x
  3. Step 3: Cross multiply
    93,405.13x = 140,108.91 × 31,075.63
  4. Step 4: Simplify right side
    93,405.13x = 4,353,971,946.32
  5. Step 5: Solve for x
    x = 4,353,971,946.32/93,405.13
  6. Step 6: Final answer
    x = 46,613.84

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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.