Home / 42,788.04-64,168.40-14,701.32

Finding the Fourth Proportional to 42,788.04, 64,168.40 and 14,701.32

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Solution

The fourth proportional to 42,788.04, 64,168.40 and 14,701.32 is: 22,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,788.04 : 64,168.40 = 14,701.32 : x
  2. Step 2: Convert to fraction form
    42,788.04/64,168.40 = 14,701.32/x
  3. Step 3: Cross multiply
    42,788.04x = 64,168.40 × 14,701.32
  4. Step 4: Simplify right side
    42,788.04x = 943,360,182.29
  5. Step 5: Solve for x
    x = 943,360,182.29/42,788.04
  6. Step 6: Final answer
    x = 22,047.29

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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.