Home / 40,710.17-61,068.90-11,128.16

Finding the Fourth Proportional to 40,710.17, 61,068.90 and 11,128.16

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Solution

The fourth proportional to 40,710.17, 61,068.90 and 11,128.16 is: 16,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,710.17 : 61,068.90 = 11,128.16 : x
  2. Step 2: Convert to fraction form
    40,710.17/61,068.90 = 11,128.16/x
  3. Step 3: Cross multiply
    40,710.17x = 61,068.90 × 11,128.16
  4. Step 4: Simplify right side
    40,710.17x = 679,584,490.22
  5. Step 5: Solve for x
    x = 679,584,490.22/40,710.17
  6. Step 6: Final answer
    x = 16,693.24

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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.