Home / 114,427.10-157,909.13-63,438.52

Finding the Fourth Proportional to 114,427.10, 157,909.13 and 63,438.52

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Solution

The fourth proportional to 114,427.10, 157,909.13 and 63,438.52 is: 87,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,427.10 : 157,909.13 = 63,438.52 : x
  2. Step 2: Convert to fraction form
    114,427.10/157,909.13 = 63,438.52/x
  3. Step 3: Cross multiply
    114,427.10x = 157,909.13 × 63,438.52
  4. Step 4: Simplify right side
    114,427.10x = 10,017,521,245.40
  5. Step 5: Solve for x
    x = 10,017,521,245.40/114,427.10
  6. Step 6: Final answer
    x = 87,545.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.