Home / 105,041.10-157,487.84-38,472.58

Finding the Fourth Proportional to 105,041.10, 157,487.84 and 38,472.58

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Solution

The fourth proportional to 105,041.10, 157,487.84 and 38,472.58 is: 57,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,041.10 : 157,487.84 = 38,472.58 : x
  2. Step 2: Convert to fraction form
    105,041.10/157,487.84 = 38,472.58/x
  3. Step 3: Cross multiply
    105,041.10x = 157,487.84 × 38,472.58
  4. Step 4: Simplify right side
    105,041.10x = 6,058,963,523.43
  5. Step 5: Solve for x
    x = 6,058,963,523.43/105,041.10
  6. Step 6: Final answer
    x = 57,681.84

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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.