Home / 42,765.86-64,148.95-14,694.01

Finding the Fourth Proportional to 42,765.86, 64,148.95 and 14,694.01

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Solution

The fourth proportional to 42,765.86, 64,148.95 and 14,694.01 is: 22,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.86 : 64,148.95 = 14,694.01 : x
  2. Step 2: Convert to fraction form
    42,765.86/64,148.95 = 14,694.01/x
  3. Step 3: Cross multiply
    42,765.86x = 64,148.95 × 14,694.01
  4. Step 4: Simplify right side
    42,765.86x = 942,605,088.13
  5. Step 5: Solve for x
    x = 942,605,088.13/42,765.86
  6. Step 6: Final answer
    x = 22,041.07

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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.