Home / 47,090.77-70,636.19-12,030.46

Finding the Fourth Proportional to 47,090.77, 70,636.19 and 12,030.46

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Solution

The fourth proportional to 47,090.77, 70,636.19 and 12,030.46 is: 18,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.77 : 70,636.19 = 12,030.46 : x
  2. Step 2: Convert to fraction form
    47,090.77/70,636.19 = 12,030.46/x
  3. Step 3: Cross multiply
    47,090.77x = 70,636.19 × 12,030.46
  4. Step 4: Simplify right side
    47,090.77x = 849,785,621.60
  5. Step 5: Solve for x
    x = 849,785,621.60/47,090.77
  6. Step 6: Final answer
    x = 18,045.69

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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.