Home / 52,448.45-78,672.75-40,038.93

Finding the Fourth Proportional to 52,448.45, 78,672.75 and 40,038.93

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Solution

The fourth proportional to 52,448.45, 78,672.75 and 40,038.93 is: 60,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.45 : 78,672.75 = 40,038.93 : x
  2. Step 2: Convert to fraction form
    52,448.45/78,672.75 = 40,038.93/x
  3. Step 3: Cross multiply
    52,448.45x = 78,672.75 × 40,038.93
  4. Step 4: Simplify right side
    52,448.45x = 3,149,972,730.16
  5. Step 5: Solve for x
    x = 3,149,972,730.16/52,448.45
  6. Step 6: Final answer
    x = 60,058.45

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1.5x scale

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.