Home / 43,148.45-64,721.14-15,068.40

Finding the Fourth Proportional to 43,148.45, 64,721.14 and 15,068.40

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Solution

The fourth proportional to 43,148.45, 64,721.14 and 15,068.40 is: 22,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148.45 : 64,721.14 = 15,068.40 : x
  2. Step 2: Convert to fraction form
    43,148.45/64,721.14 = 15,068.40/x
  3. Step 3: Cross multiply
    43,148.45x = 64,721.14 × 15,068.40
  4. Step 4: Simplify right side
    43,148.45x = 975,243,830.36
  5. Step 5: Solve for x
    x = 975,243,830.36/43,148.45
  6. Step 6: Final answer
    x = 22,602.06

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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.